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by Intera91
Wed May 29, 2019 1:32 pm
Forum: Discussions on Spam Protection Policies and Default Rules
Topic: What the hell??
Replies: 1
Views: 23948

What the hell??

Sorry, we were unable to deliver your message to the following Sorry, we were unable to deliver your message to the following address. <xxxxxxxx@xxx.com>: 550: 5.7.0 Mail from domain [patrick@xxxxxxxxxx.net] is missing A or MX DNS record. See http://spamauditor.org/best-practices/valid_from_address/...

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