Reverse look up fails

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4212Billy
Posts: 32
Joined: Fri Sep 12, 2014 9:58 pm

Reverse look up fails

Post by 4212Billy »

When I send messages to some addresses, they are rejected because the receiving mail host says my mail fails reverse lookup. Is there a setting in Zimbra that relates to that kind of error?
14319KevinH
Ambassador
Ambassador
Posts: 4558
Joined: Fri Sep 12, 2014 9:52 pm

Reverse look up fails

Post by 14319KevinH »

Nope. This means your mail domain doesn't resolve via reverse IP when sending mail. Yahoo, Hotmail, Gmail, etc all use this to prevent spammers.
17629anand
Zimbra Alumni
Zimbra Alumni
Posts: 273
Joined: Fri Sep 12, 2014 9:53 pm

Reverse look up fails

Post by 17629anand »

[quote user="4212Billy"]When I send messages to some addresses, they are rejected because the receiving mail host says my mail fails reverse lookup. Is there a setting in Zimbra that relates to that kind of error?[/QUOTE]
try to relay mail through your ISP (Relay Host in Zimbra Admin UI MTA tab).
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