It's a good idea to match your Zimbra MTA hostname given during an EHLO with the hostname associated with your public IP address.su - zimbra
zmprov mcf zimbraMtaMyHostname mail.example.com
zmcontrol restart
Related Articles
iPhone Mail with MS Exchange M...
PROBLEMOnce in a while I am unable to delete an email message on my iPhone. It throws an "unable to move message to trash" error message. I use the normal iPh...
Zimbra - Add Trusted Relay to ...
My domain name registrar offers email aliases and forwarding; however, this feature causes my mail server's SPF checks to fail because the registrar's mail rela...
My Adventures in Spam Blocking
I hate spam. I detest it. And I'm not talking about the scrumptious processed meat product. I think you all know the spam I'm referring to—the kind peddling ...
Setting Up SPF on Zimbra Runni...
SPF is awesome for stopping delivery of spoofed spam and junk back-scatter, but many of the articles on how to set up SPF in Zimbra are old and out-of-date. It...