Well the error you posted:
There are other RBL's out there, that block a lot of people, I had a server running for 15 years and I would appear on that list - the guy that maintains it attempts to extort money for your removal, but then you end up back on it later anyway, or he won't remove it. Either way, there are RBL's like this that simply shouldn't be used obviously. But it happens, and you got blocked.
Since the screenshots so that you are not on an RBL, then the majority of mail servers will accept your emails anyway. Sometimes with Microsoft you will have to request whitelisting so that they accept your emails - but this is usually for the first time you send an email through their servers. After that, they will go fine.
seems to show that the receiving server is using some kind of service that sees a reputation score for your domain being low. What that service is, I do not know since it doesn't say in the logs. If you know people at that domain, then you need to ask them to whitelist you, because their system has pretty much caused a false positive in blocking an innocent person. I doubt very much the configuration they are using is actually any good - but then you have zero control of how someone configures their system. If they want to block you this they, they have their right to do it. Whether you agree with it or not, is another matter entirely.Feb 7 03:40:43 mail postfix/smtp[1248899]: CE752583445: to=<[lab3w.orj@XXXXXXX](mailto:lab3w.orj@XXXXXXX)>, relay=[XXXXXXX-smtp-in.l.XXXXXXX](http://XXXXXXX-smtp-in.l.XXXXXXX)[172.253.115.26]:25], delay=1.4, delays=0.2/0/0.29/0.94, dsn=5.7.1, status=bounced (host [XXXXXXX-smtp-in.l.XXXXXXX](http://XXXXXXX-smtp-in.l.XXXXXXX)[172.253.115.26] said: 550-5.7.1
[158.69.126.137 19] XXXXXXX has detected that this message is 550-5.7.1 likely suspicious due to the very low reputation of the sending 550-5.7.1 domain. To best protect our users from spam, the message has been 550-5.7.1 blocked. For more information,
There are other RBL's out there, that block a lot of people, I had a server running for 15 years and I would appear on that list - the guy that maintains it attempts to extort money for your removal, but then you end up back on it later anyway, or he won't remove it. Either way, there are RBL's like this that simply shouldn't be used obviously. But it happens, and you got blocked.
Since the screenshots so that you are not on an RBL, then the majority of mail servers will accept your emails anyway. Sometimes with Microsoft you will have to request whitelisting so that they accept your emails - but this is usually for the first time you send an email through their servers. After that, they will go fine.
Statistics: Posted by ianw1974 — Tue Feb 13, 2024 6:56 am