We have recently had problems with sending emails via Simplenews to recipients at gmail. Seems the classify it as junk mail. This is the response from the Gmail server :
MIME_HTML_ONLY=1.105
Explanation
Indicates the message lacks the plain text alternative part.
MISSING_MIMEOLE=1.843
Explanation
The message is pretending to be generated by a Microsoft email program which uses the extension header X-MSMail-Priority, but is missing the extension header X-MimeOLE which is characteristic of Microsoft email.
This suggests that the sender is using badly-written mailout software, rather than a genuine Microsoft email program.
I guess the MIMEOLE should be corrected somehow?
Regards,
Bo
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