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            <title>
									Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26 - Carbonio General				            </title>
            <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/</link>
            <description>Zextras Community Discussion Board</description>
            <language>en-US</language>
            <lastBuildDate>Mon, 07 Sep 2026 23:39:59 +0000</lastBuildDate>
            <generator>wpForo</generator>
            <ttl>60</ttl>
							                    <item>
                        <title>RE: Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26</title>
                        <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/paged/2/#post-12234</link>
                        <pubDate>Thu, 02 Apr 2026 11:20:27 +0000</pubDate>
                        <description><![CDATA[Hello,Thank you for this additional information.This is very important, as it confirms that the issue is not isolated to a single mailbox but affects multiple users.On our side, we are obser...]]></description>
                        <content:encoded><![CDATA[<p>Hello,<br />Thank you for this additional information.<br />This is very important, as it confirms that the issue is not isolated to a single mailbox but affects multiple users.<br />On our side, we are observing the same pattern:<br />- multiple mailboxes impacted<br />- similar IMAP behavior on iPhone clients<br />- repeated backend errors in mailbox.log<br />This clearly indicates that the issue is systemic and not related to a specific account or corrupted mailbox.<br />Combined with the previous logs (StartOutOfBoundsException), it strongly suggests that the current patch is still incomplete and that the IMAP handling of partial content (FETCH) remains unstable.<br />At this stage, it would be important to clarify:<br />- whether this behavior is expected after the recent updates<br />- or if an additional fix is already planned to address these remaining errors<br />Thanks for sharing your findings, this helps confirm the scope of the issue.<br /><br /><br />Bonjour,<br />Merci pour cette information complémentaire.<br />C’est un point très important, car cela confirme que le problème n’est pas limité à une seule boîte mail mais impacte plusieurs utilisateurs.<br />De notre côté, nous observons le même comportement :<br />- plusieurs boîtes concernées<br />- comportement IMAP similaire sur les clients iPhone<br />- erreurs répétées dans les logs mailbox.log<br />Cela indique clairement que le problème est global et non lié à un compte spécifique ou à une boîte corrompue.<br />En combinant cela avec les logs précédents (StartOutOfBoundsException), cela suggère fortement que le correctif actuel est encore incomplet et que la gestion IMAP du contenu partiel (FETCH) reste instable.<br />À ce stade, il serait important de clarifier :<br />- si ce comportement est attendu après les dernières mises à jour<br />- ou si un correctif complémentaire est déjà prévu pour corriger ces erreurs restantes<br />Merci pour le partage de ces informations, cela permet de mieux confirmer l’ampleur du problème.</p>]]></content:encoded>
						                            <category domain="https://community.zextras.com/forum/carbonio-general-thread/">Carbonio General</category>                        <dc:creator>Support GreenPositive</dc:creator>
                        <guid isPermaLink="true">https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/paged/2/#post-12234</guid>
                    </item>
				                    <item>
                        <title>RE: Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26</title>
                        <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12233</link>
                        <pubDate>Thu, 02 Apr 2026 11:16:35 +0000</pubDate>
                        <description><![CDATA[Hello,Thank you for the confirmation.This is very important feedback, because it shows that the recent updates do not fully resolve the issue.From what you describe:- iPhone sync may now app...]]></description>
                        <content:encoded><![CDATA[<p>Hello,<br />Thank you for the confirmation.<br />This is very important feedback, because it shows that the recent updates do not fully resolve the issue.<br />From what you describe:<br />- iPhone sync may now appear to work<br />- but the server is still continuously generating IMAP backend errors<br />- so the problem seems only partially fixed<br />The repeated exception:<br />com.zimbra.common.util.StartOutOfBoundsException<br />suggests that some IMAP FETCH / partial content requests are still handled incorrectly.<br />So at this stage, it seems the current update may improve the visible client behavior in some cases, but the underlying IMAP issue is still present.<br />For production environments, this is important because:<br />- user experience may look better<br />- but the server still logs repeated errors<br />- and the fix cannot yet be considered clean or complete<br />We are therefore still waiting for confirmation from the Carbonio team about:<br />- whether an additional hotfix is planned<br />- whether these errors are expected to be harmless<br />- or whether the current patch should still be considered incomplete<br />Thanks for sharing these logs.<br /><br /><br />Bonjour,<br />Merci pour cette confirmation.<br />C’est une information très importante, car cela montre que les mises à jour récentes ne corrigent pas complètement le problème.<br />D’après ce que vous décrivez :<br />- la synchronisation iPhone semble parfois refonctionner<br />- mais le serveur continue à générer en boucle des erreurs IMAP côté backend<br />- le problème semble donc seulement partiellement corrigé<br />L’exception répétée :<br />com.zimbra.common.util.StartOutOfBoundsException<br />semble indiquer que certaines requêtes IMAP FETCH / récupération partielle du contenu sont encore mal gérées.<br />À ce stade, il semble donc que la mise à jour actuelle améliore parfois le comportement visible côté client, mais que le problème IMAP sous-jacent reste présent.<br />Pour des environnements de production, c’est important car :<br />- l’expérience utilisateur peut paraître meilleure<br />- mais le serveur continue à enregistrer des erreurs répétées<br />- et le correctif ne peut pas encore être considéré comme propre ou complet<br />Nous restons donc en attente d’une confirmation de l’équipe Carbonio sur :<br />- l’existence d’un hotfix complémentaire<br />- le fait que ces erreurs soient sans impact<br />- ou si le correctif actuel doit encore être considéré comme incomplet<br />Merci pour le partage de ces logs.</p>]]></content:encoded>
						                            <category domain="https://community.zextras.com/forum/carbonio-general-thread/">Carbonio General</category>                        <dc:creator>Support GreenPositive</dc:creator>
                        <guid isPermaLink="true">https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12233</guid>
                    </item>
				                    <item>
                        <title>RE: Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26</title>
                        <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12232</link>
                        <pubDate>Thu, 02 Apr 2026 11:09:06 +0000</pubDate>
                        <description><![CDATA[And to note more, this is not just that one box, I did a grep of the mailbox log and found more users with same problem.]]></description>
                        <content:encoded><![CDATA[<p>And to note more, this is not just that one box, I did a grep of the mailbox log and found more users with same problem.</p>]]></content:encoded>
						                            <category domain="https://community.zextras.com/forum/carbonio-general-thread/">Carbonio General</category>                        <dc:creator>haffi</dc:creator>
                        <guid isPermaLink="true">https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12232</guid>
                    </item>
				                    <item>
                        <title>RE: Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26</title>
                        <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12231</link>
                        <pubDate>Thu, 02 Apr 2026 11:08:06 +0000</pubDate>
                        <description><![CDATA[this did not solve this issue, 
 
i.e. I am still seeing this hammering, even after iphone has synced and all looks ok on the client.
 
com.zimbra.common.util.StartOutOfBoundsException: ...]]></description>
                        <content:encoded><![CDATA[<p>this did not solve this issue, </p>
<p> </p>
<p>i.e. I am still seeing this hammering, even after iphone has synced and all looks ok on the client.</p>
<p> </p>
<div>com.zimbra.common.util.StartOutOfBoundsException: Attempted to skip 786432 bytes, actually skipped 62838</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.common.util.ByteUtil$SegmentInputStream.create(ByteUtil.java:953) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.getContentOctetRangeFromFullContents(ImapPartSpecifier.java:247) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.getContentOctetRange(ImapPartSpecifier.java:214) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.write(ImapPartSpecifier.java:130) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.write(ImapPartSpecifier.java:179) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.fetch(ImapHandler.java:4080) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.fetch(ImapHandler.java:3869) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.doFETCH(ImapHandler.java:3864) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.executeRequest(ImapHandler.java:618) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.NioImapHandler.processRequest(NioImapHandler.java:121) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.NioImapHandler.messageReceived(NioImapHandler.java:58) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.server.NioHandlerDispatcher.messageReceived(NioHandlerDispatcher.java:83) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:1015) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:418) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:257) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.server.NioLoggingFilter.messageReceived(NioLoggingFilter.java:56) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:106) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.session.IoEvent.run(IoEvent.java:89) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:763) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:755) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:695) ~</div>
<div><span class="Apple-tab-span"> </span>at java.lang.Thread.run(Thread.java:1583) </div>
<div> </div>]]></content:encoded>
						                            <category domain="https://community.zextras.com/forum/carbonio-general-thread/">Carbonio General</category>                        <dc:creator>haffi</dc:creator>
                        <guid isPermaLink="true">https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12231</guid>
                    </item>
				                    <item>
                        <title>RE: Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26</title>
                        <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12230</link>
                        <pubDate>Thu, 02 Apr 2026 11:07:51 +0000</pubDate>
                        <description><![CDATA[Hello,Thank you for your detailed feedback.From what we observe on our side, the situation seems similar:- after update, IMAP access may appear to work partially- however iPhone / Apple Mail...]]></description>
                        <content:encoded><![CDATA[<p>Hello,<br />Thank you for your detailed feedback.<br />From what we observe on our side, the situation seems similar:<br />- after update, IMAP access may appear to work partially<br />- however iPhone / Apple Mail behavior is still inconsistent<br />- in some cases, mailbox loads, but in others the client hangs or fails during setup (SSL / connection errors)<br />We also noticed that the issue can vary between devices, even with the same server configuration.<br />This suggests that the fix might be partial or still unstable, especially on iOS clients.<br />Before updating our production environments, we would like to confirm:<br />- whether a stable and complete fix is available<br />- whether the current updates are considered safe for production use<br />Thanks for your feedback<br /><br /><br />Bonjour,<br />Merci pour votre retour détaillé.<br />De notre côté, nous observons une situation similaire :<br />- après mise à jour, l’accès IMAP semble fonctionner partiellement<br />- cependant le comportement sur iPhone / Apple Mail reste instable<br />- dans certains cas la boîte se charge, mais dans d’autres le client bloque ou échoue lors de la configuration (erreurs SSL / connexion)<br />Nous avons également constaté que le problème peut varier selon les appareils, même avec la même configuration serveur.<br />Cela semble indiquer que le correctif est partiel ou encore instable, notamment sur les clients iOS.<br />Avant de mettre à jour nos environnements de production, nous souhaiterions confirmer :<br />- si un correctif stable et complet est disponible<br />- si les mises à jour actuelles sont considérées comme sûres pour la production<br />Merci pour votre retour</p>]]></content:encoded>
						                            <category domain="https://community.zextras.com/forum/carbonio-general-thread/">Carbonio General</category>                        <dc:creator>Support GreenPositive</dc:creator>
                        <guid isPermaLink="true">https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12230</guid>
                    </item>
				                    <item>
                        <title>RE: Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26</title>
                        <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12229</link>
                        <pubDate>Thu, 02 Apr 2026 11:03:33 +0000</pubDate>
                        <description><![CDATA[this did not solve this issue, 
 
i.e. I am still seeing this hammering, even after iphone has synced and all looks ok on the client.
 
com.zimbra.common.util.StartOutOfBoundsException: ...]]></description>
                        <content:encoded><![CDATA[<p>this did not solve this issue, </p>
<p> </p>
<p>i.e. I am still seeing this hammering, even after iphone has synced and all looks ok on the client.</p>
<p> </p>
<div>com.zimbra.common.util.StartOutOfBoundsException: Attempted to skip 786432 bytes, actually skipped 62838</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.common.util.ByteUtil$SegmentInputStream.create(ByteUtil.java:953) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.getContentOctetRangeFromFullContents(ImapPartSpecifier.java:247) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.getContentOctetRange(ImapPartSpecifier.java:214) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.write(ImapPartSpecifier.java:130) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.write(ImapPartSpecifier.java:179) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.fetch(ImapHandler.java:4080) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.fetch(ImapHandler.java:3869) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.doFETCH(ImapHandler.java:3864) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.executeRequest(ImapHandler.java:618) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.NioImapHandler.processRequest(NioImapHandler.java:121) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.NioImapHandler.messageReceived(NioImapHandler.java:58) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.server.NioHandlerDispatcher.messageReceived(NioHandlerDispatcher.java:83) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:1015) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:418) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:257) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.server.NioLoggingFilter.messageReceived(NioLoggingFilter.java:56) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:106) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.session.IoEvent.run(IoEvent.java:89) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:763) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:755) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:695) ~</div>
<div><span class="Apple-tab-span"> </span>at java.lang.Thread.run(Thread.java:1583) </div>
<div> </div>]]></content:encoded>
						                            <category domain="https://community.zextras.com/forum/carbonio-general-thread/">Carbonio General</category>                        <dc:creator>haffi</dc:creator>
                        <guid isPermaLink="true">https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12229</guid>
                    </item>
				                    <item>
                        <title>RE: Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26</title>
                        <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12228</link>
                        <pubDate>Thu, 02 Apr 2026 10:54:54 +0000</pubDate>
                        <description><![CDATA[I just updated like guide points to. i.e. apt update , apt upgrade , pending-update, reboot
Running single node on ubuntu 24.Version 26.3.0So far I only see this on one of the clients, and ...]]></description>
                        <content:encoded><![CDATA[<p>I just updated like guide points to. i.e. apt update , apt upgrade , pending-update, reboot</p>
<p>Running single node on ubuntu 24.<br /><br /><span>Version 26.3.0</span><br /><br />So far I only see this on one of the clients, and it remains while the iphone has the mail app open, but the mail app does not reflect doing anything...<br />and it seams to work, however I went ahead and removed the mail config on the iphone and currently trying to set it upp again clean, and seeing if this solved this issue. However it seams to give all kinds of error now on setup(i.e. does not goo through, give errors on connection and SSL ( still in progress of investigating that ). ( since other iphone clients work fine it seams )</p>]]></content:encoded>
						                            <category domain="https://community.zextras.com/forum/carbonio-general-thread/">Carbonio General</category>                        <dc:creator>haffi</dc:creator>
                        <guid isPermaLink="true">https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12228</guid>
                    </item>
				                    <item>
                        <title>RE: Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26</title>
                        <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12227</link>
                        <pubDate>Thu, 02 Apr 2026 10:38:43 +0000</pubDate>
                        <description><![CDATA[Hello,Thank you for the feedback.This is useful information, because it suggests that the patch may have fixed the main Apple Mail / iPhone IMAP issue, but there still seem to be remaining e...]]></description>
                        <content:encoded><![CDATA[<p>Hello,<br />Thank you for the feedback.<br />This is useful information, because it suggests that the patch may have fixed the main Apple Mail / iPhone IMAP issue, but there still seem to be remaining errors on some FETCH requests.<br />The warning below looks related to partial content retrieval:<br />IMAP part requested start out of range<br />com.zimbra.common.util.StartOutOfBoundsException<br />So it may indicate that the mailbox can now load again on iOS, but that some messages or MIME parts are still triggering backend exceptions.<br />On our side, this is important to know before updating:<br />- has the mailbox loading issue on iPhone been fully resolved?<br />- are these Java warnings only cosmetic, or do they still cause user-visible problems?<br />- does this affect only one mailbox / one message, or all iPhone clients?<br />If possible, it would be very helpful to know:<br />- the exact package versions installed after the patch<br />- whether iPhone clients are now usable again in practice<br />- whether these warnings continue after reconnecting the account<br />Thanks<br /><br /><br />Bonjour,<br />Merci pour ce retour.<br />C’est une information utile, car cela semble indiquer que le correctif a peut-être résolu le problème principal Apple Mail / IMAP iPhone, mais qu’il reste encore des erreurs sur certaines requêtes FETCH.<br />L’avertissement ci-dessous semble lié à la récupération partielle du contenu :<br />IMAP part requested start out of range<br />com.zimbra.common.util.StartOutOfBoundsException<br />Cela pourrait donc signifier que la boîte peut désormais se charger sur iOS, mais que certains messages ou certaines parties MIME déclenchent encore des exceptions côté backend.<br />De notre côté, c’est important à savoir avant de mettre à jour :<br />- le problème de chargement de la boîte sur iPhone est-il complètement résolu ?<br />- ces warnings Java sont-ils uniquement cosmétiques, ou provoquent-ils encore des problèmes visibles pour les utilisateurs ?<br />- cela concerne-t-il uniquement une boîte / un message, ou tous les clients iPhone ?<br />Si possible, il serait très utile de connaître :<br />- les versions exactes des paquets installés après le correctif<br />- si les iPhone sont maintenant réellement utilisables au quotidien<br />- si ces warnings continuent après reconnexion du compte<br />Merci</p>]]></content:encoded>
						                            <category domain="https://community.zextras.com/forum/carbonio-general-thread/">Carbonio General</category>                        <dc:creator>Support GreenPositive</dc:creator>
                        <guid isPermaLink="true">https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12227</guid>
                    </item>
				                    <item>
                        <title>RE: Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26</title>
                        <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12226</link>
                        <pubDate>Thu, 02 Apr 2026 10:34:59 +0000</pubDate>
                        <description><![CDATA[Hello,Thanks for your feedback, that’s very interesting.Could you please confirm which exact version you are running now after the additional updates?Also, did you perform a full upgrade (ap...]]></description>
                        <content:encoded><![CDATA[<p>Hello,<br />Thanks for your feedback, that’s very interesting.<br />Could you please confirm which exact version you are running now after the additional updates?<br />Also, did you perform a full upgrade (apt update &amp;&amp; apt upgrade) or install a specific Carbonio package?<br />We are currently experiencing the same issue and would like to confirm if this resolves it before applying updates in production.<br />Thanks in advance<br /><br /><br />Bonjour,<br />Merci pour votre retour, c’est très intéressant.<br />Pouvez-vous confirmer la version exacte que vous utilisez après les mises à jour supplémentaires ?<br />Avez-vous effectué une mise à jour complète (apt update &amp;&amp; apt upgrade) ou installé un package spécifique Carbonio ?<br />Nous rencontrons actuellement le même problème et souhaitons confirmer si cela le corrige avant de déployer en production.<br />Merci d’avance</p>]]></content:encoded>
						                            <category domain="https://community.zextras.com/forum/carbonio-general-thread/">Carbonio General</category>                        <dc:creator>Support GreenPositive</dc:creator>
                        <guid isPermaLink="true">https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12226</guid>
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                        <title>RE: Carbonio 26 – Apple Mail iPhone IMAP connects but shows empty mailbox after upgrade from 25 to 26</title>
                        <link>https://community.zextras.com/forum/carbonio-general-thread/carbonio-26-apple-mail-iphone-imap-connects-but-shows-empty-mailbox-after-upgrade-from-25-to-26/#post-12225</link>
                        <pubDate>Thu, 02 Apr 2026 09:50:52 +0000</pubDate>
                        <description><![CDATA[Yes the patch seams to have &quot;fixed&quot; some issues however logs are still spamming JAVA errors ... this is every 10 secs for me. for one client at least.
 
2026-04-02 09:49:10,868 WARN  [Imap...]]></description>
                        <content:encoded><![CDATA[<p>Yes the patch seams to have "fixed" some issues however logs are still spamming JAVA errors ... this is every 10 secs for me. for one client at least.</p>
<p> </p>
<div>2026-04-02 09:49:10,868 WARN    imap - IMAP part requested start out of range</div>
<div>com.zimbra.common.util.StartOutOfBoundsException: Attempted to skip 393216 bytes, actually skipped 321367</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.common.util.ByteUtil$SegmentInputStream.create(ByteUtil.java:953) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.getContentOctetRangeFromFullContents(ImapPartSpecifier.java:247) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.getContentOctetRange(ImapPartSpecifier.java:214) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.write(ImapPartSpecifier.java:130) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapPartSpecifier.write(ImapPartSpecifier.java:174) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.fetch(ImapHandler.java:4052) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.fetch(ImapHandler.java:3869) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.doFETCH(ImapHandler.java:3864) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.ImapHandler.executeRequest(ImapHandler.java:618) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.NioImapHandler.processRequest(NioImapHandler.java:121) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.imap.NioImapHandler.messageReceived(NioImapHandler.java:58) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.server.NioHandlerDispatcher.messageReceived(NioHandlerDispatcher.java:83) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:1015) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:418) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:257) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~</div>
<div><span class="Apple-tab-span"> </span>at com.zimbra.cs.server.NioLoggingFilter.messageReceived(NioLoggingFilter.java:56) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:106) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.core.session.IoEvent.run(IoEvent.java:89) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:763) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:755) ~</div>
<div><span class="Apple-tab-span"> </span>at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:695) ~</div>
<div><span class="Apple-tab-span"> </span>at java.lang.Thread.run(Thread.java:1583) </div>]]></content:encoded>
						                            <category domain="https://community.zextras.com/forum/carbonio-general-thread/">Carbonio General</category>                        <dc:creator>haffi</dc:creator>
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