Hi @sharif, In the DNS for domain.xyz we have two dkim records. One for our mailserver and one is setup for 365. In our SPF record we included the m...

@sharif I understand, I will ask the guys who configured outlook.com about this and let you know, probably tomorrow. Thanks in advance!

@sharif Modified and restarted zmcontrol but still not accepting mail.

@sharif I just modified it from "reject_sender_login_mismatch" to "permit_sasl_authenticated" and will check it and let you know.

Hi @sharif, No, we don't have a relay host configure in Carbonio CE. We have a domain setup "domain.com" in our Carbonio server "mail.carbonioserver...

Hi @sharif, Do you have a quick setting or fix for this ?

@anahuac I understand, but the method you provided is installing the certificate on the root system, right?

@anahuac I think it is either a proxy problem because if I test my certificate at and everything works fine. Except connecting with whatev...

@anahuac Yes, I have no virtualhosts in the admin ui.

Hi @anahuac, Thanks for your help. I used to make the certificates with certbot but I have done what you described now. So certificates are crea...

thanks @anahuac. Meanwhile my problem was solved by Sharif, but your tutorial is very clear and helpful ! I think that is also one of the pro...

This solved the problem

@sharif Yes !! That did it. No more errors and it looks fine now. Thanks Sharif for your help.