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Client's email getting bounded back... 550 Connection dropped due to address validation failure

Experts!

We have a client who has been unable to send us mail since 9/4. They are getting their messages bounced back... The error we see on our end is "550 connection dropped due to from address validation failure". Details from the log below. We are using Imail 11.03 as our mail server. Any thoughts to help nail this down would be appreciated.


* Connection Check: REVDNSLookup. Completed in 0.1875 seconds. Total elapsed for this session 0.328125 seconds.

* Connection Check: HELOValidation. Completed in 0.1875 seconds. Total elapsed for this session 0.515625 seconds.

* Connection Check: FROMValidation. Completed in 5.578125 seconds. Total elapsed for this session 6.09375 seconds.

e2hawaii.net message failed 2 of 4 checks, dropping
>>> 550 connection dropped due to from address validation failure

If you need more config info I can provide details via PM (local and remote domain).
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coldfirenj
Asked:
coldfirenj
1 Solution
 
jhyieslaCommented:
Have you tried emailing the client from your system and then see if they can reply to it?
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jhheiderCommented:
Looks like you need to turn off Validate From address.

http://forums.ipswitch.com/Topic59738-10-1.aspx#bm59756 suggest you should, or you'll register as a spammer to certain services.
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