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Reply To: Confirmation emails fail

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Josh # Posted on May 4, 2018 at 7:37 am

I turned on your SMTP plugin’s debug mode and this is the error:

SMTP ERROR: DATA END command failed: 550 This message was classified as SPAM and may not be delivered
SMTP Error: data not accepted.CLIENT -> SERVER: QUIT

So it appears that some messages are triggering the mail server’s outbound spam screening.

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