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Article Data
Article Ref
4121-RIFL-0345
Written By
Josh Olson
Date Created
Tue, 24th Mar 2015
 
(Lost?)

   DMARC and CommuniGate Pro Mailing Lists

Question 

Why is delivery of mail generated by CommuniGate Pro mailing lists to Yahoo and Gmail users is failing with the following message in the CGP logs?

421 4.7.0 [XXXX] Message from (XXX.XXX.XXX.XXX) temporarily deferred - XX.XX.XX. Please refer to http://postmaster.yahoo.com/errors/postmaster-21.html

Answer 

To be compatible with DMARC, please enable the 'Hide From Addresses' setting for the CGP mailing list(s) in question.

https://www.communigate.com/communigatepro/LIST.html#Postings

Preserving the "FROM:" address is not compatible with DMARC.

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