I forwarded the Gmail email to mailcow, but found that it didn’t work. I got the error:
Your email to xxx@xxx.com has been blocked.
554 5.7.1 This message does not meet our delivery requirements.
English
Mail Forwarding fail
Also having this same issue: ever find a solution? Happens with various senders, not just Gmail!
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Is this from the postfix log file or what you got as NDR in gmail?
If this is from gmail, please post the relevant logfile excerpt of the delivery attempt of postfix.
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Hello there @esackbauer! This is returned to the sender via Gmail
or Juno
for example. Here is an example of what I see from postfix
right now, copying and pasting a screenshot to avoid confidential bits:
More on the front of the error lines:
You should check the rspamd logs
@esackbauer is there something your gut is telling you the rspamd
log will show? So far I whitelisted the server trying to deliver most of the messages that were failing, and that seems to have remedied it for now. It definitely has to do with spam filtration though.
“milter-reject” what you find in the logs you posted, is a component of rspamd.