Send Email with Zimbra To Efa

[amanfredini]

Hi,
can i send email with zimbra through Efa?
When I Try, the error in efa are .. Client Host Rejected, cannot find your reverse hostname (192.168.1.45) from mymail@domain.it to mymail2@gmail.com

[budy]

This error isn't related to Zimbra in any way, but to the fact, that the efa wants to reverse lookup the IP of your Zimbra MTA. You seem to run on an internal network without a proper DNS setup - well at least from efa's perspective.

You can configure postfix to not perform this lookup, or you can setup a fully internal DNS to statisfy efa.

[amanfredini]

How can I setup postfix for not perform lookup?

[budy]

Login to Mailscanner and chose the WebMin link from the "Tools and Links" menu. Then chose Servers -> Postfix Mail Server -> "General Options". Find the "Local networks" setting and add the IP of your Zimbra 192.168.1.45/32 into the input field and hit "Save and Apply". Then bounce postfix by hitting "Reload Configuration" on the Webmin page.

[amanfredini]

I have done this configuration but the error still present. Rcpt from unknown (192.168.1.45) client hodt rejected: cannot find your reverse hostname (192.168.1.45)

[budy]

Well… as some kind of a last ressort, you could install dnsmasq on your eFa box and setup it's host file to contain your Zimbra's internal hostname and IP.
Then you'd insert an entry for your local dnsmasq service into the eFa's resolv.conf to have it check it's internal dns resolver before reaching out to any other.

[shawniverson]

You can try simply adding an entry to /etc/hosts.

[budy]

I actually don't know, if this will work for reverse lookups, but it he will have to add this entry to /etc/hosts anyway.

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[pdwalker]

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