This guide is divided into two parts Single server upgradeMulti-server upgrade Zimbra Postscreen is enabled by default on Zimbra 8.7 and above. The only thing you need to do is...
Zimbra Postscreen Zimbra Postscreen is an anti-bot/dos started in Zimbra 8.7. It tackles mail server overload by keeping spambots away and making more SMTP processes available for legitimate clients. Zimbra...
In this article, you will learn about using and configuring Zimbra Postscreen. Zimbra Postscreen Zimbra Postscreen is an anti-bot/dos started in Zimbra 8.7. It tackles mail server overload by keeping...
In this article, you will learn about Zimbra Postscreen and how it works. Zimbra Postscreen Zimbra Postscreen is an anti-bot/dos started in Zimbra 8.7. It tackles mail server overload by...
rDNS Record Verification Assuming you have already created your rDNS record, added it to your DNS, and want to check your rDNS configuration. The rDNS record is stored in DNS...
DMARC Record Verification Assuming you have already created your DMARC rule, added it to your DNS, and want to check your SPF configuration. The DMARC record is stored in DNS...
