Re: Error message from mail transport server: 554 - 554 5.2.0 no221r00G33LN9o01o22LU Spam content found
11-12-201617:21 - edited 11-12-201617:28
Frankly sorting the incoming spam filtering to mitigate this error has largely been sorted. But although this error looks the same and arises from the same cause (badly tuned spam filtering) it has a different explanation (I believe).
I think it is to do with the outgoing spam filters not letting what they think is spam into the wider world when using certain of the VM outgoing mail servers. You need to give much more information to enable us to sort this.
Web mail or e-mail client? Sending over the VM network if sending via a client? All e-mails with enclosures doing this or just some? Only e-mails to others on the VM network (VM domains) doing it or doesn't that play a part in seeing this error? Can we see the full error message please - I think the line you have quoted is only part of the message (I could be wrong). Edit out your e-mail address (at least the part before the @ symbol).
If you can do it extract from the e-mail header the line that says X-Originating IP or X-Source IP.
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