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
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...
Zimbra - How to Stop Automatic...
By default Zimbra automatically discards inbound mail that receives a high spam score (aka "super spam"). Although the score is configurable up to 100, this de...
How to Disable Annoying Citrix...
PROBLEMYou install the Citrix Receiver, and you get this annoying setup window each time you start your PC. You never really configure the client because you o...
HP Universal Print Driver - Sl...
PROBLEMRecently I switched a number of networked HP printers (Laserjet P4515n) to the universal print driver because the model-specific print driver was crashin...