King Computer Solutions
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Posts Tagged NDR

04.20.2010

Exchange 2007 or 2010 stopping NDR from [email protected] filling queues from backscatter spam

If you find your queues are getting full of NDRs from the postmaster to spammers you can turn off allow non-deliveyr reports in the Hub transport\remote domains\default\properties This however will stop NDRs from being generated that are valid. You may therefore want to configure anti spam filtering If running a single exchange server with hub […]

03.9.2009

Receiving domain.local #5.7.1 smtp;550 5.7.1 RESOLVER.RST.AuthRequired; authentication required

When sending to an exchange 2007 recipient or distribution list you may receive the following message: Your message did not reach some or all of the intended recipients. –