The suggestion to bug Microsoft are correct, I would also bug the
support team at the receiving end of this.
From the SpamCop.net website:
The SCBL aims to stop most spam while not blocking wanted email. This is
a difficult task. It is not possible for any blocking tool to avoid
blocking
Hi Christoph
> I am attempting to send mail from a M365 tenancy, however, we are seeing
> issues with it being filtered due to the address appearing on bl.spamcop.net.
> "Decision Engine classified the mail item was rejected because of IP Block
> (from outbound normal IP pools) -> 550 mail from
Microsoft has a very well known spam problem right now. If you have a
support contact for Office 365, please make sure to use that as well to
complain. They desperately need to hear from their customers that
sharing IPs with spammers, who appear (at least from our perspective) to
operate with
Hello all,
I am attempting to send mail from a M365 tenancy, however, we are seeing issues
with it being filtered due to the address appearing on bl.spamcop.net.
"Decision Engine classified the mail item was rejected because of IP Block
(from outbound normal IP pools) -> 550 mail from
