Details
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Type:
Improvement
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Status: Done/Fixed
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Priority:
Major
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Resolution: Won't Fix
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Affects Version/s: 3.2
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Fix Version/s: 4.3.0
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Component/s: None
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Labels:None
Description
CiviMail (or Net_SMTP) does not handle 4xx SMTP codes, returned on transient errors: http://forum.civicrm.org/?topic=10148
As a result, deferred emails are treated as bounces.
Treat 4xx SMTP responses as successes.