RSS Feed/News IP/subnet blocked should not cause soft bounce (hotmail, live, outlook)

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ENXF NET

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There are several situations where soft bounces is received for perfectly valid email addresses.
This happens quite often with email providers like Microsoft which has its own sender reputation system. (hotmail, live, outlook, custom domains, etc) Microsoft hosts about 25% of all email so this issue has high impact. Especially for big boards.

Here are some of the situations which often occur:
  • IP rate limited. This happens when you send out a lot of email or trip internal email...

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