That's a unique bounce message that I haven't seen myself in recent
memory. That does suggest a block against specific text or link or
domain. So, you've potentially got a content issue to figure out.
Irritating, but it's usually something that can be figured out.
Perhaps it IS a block against bit.
I'm seeing an increase on our end as well.
Looking through the mails we have stuck in queue due to defer-msg, i see
a lot of them (~90% of the mails) contain at least one or more bit.ly
link(s).
Seems to me like Google upped their aggressiveness towards those perhaps?
Unfortunately for some s
via mailop
Sent: Wednesday 14 July 2021 08:10
To: mailop@mailop.org
Subject: [mailop] Blocked by gmail
Hello there,
we're a small data center and hosting company with some customers that are
sending mails over our smtp relay.
Since some days we're facing a problem with gmail recipients.
Hello there,
we're a small data center and hosting company with some customers that are
sending mails over our smtp relay.
Since some days we're facing a problem with gmail recipients.
Our system has detected that this message is
421-4.7.0 suspicious due to the nature of the content and/or the
