>I can tell you there is significant spam from that Microsoft IP space. That >spamcop doesn't have false positives, but rather due to >the sharing of IP >space, senders that aren't spammers get tarred with the same brush as the >spammers. I did a grep on the maillog >files and that is a firehose of spam.
>Up to you of course. I have a few posts on the list trying to whitelist just >one sender. I agree. My problem is I have a business client that I process mail for, and they converted from in-house Exchange to O365. I was rejecting their email to me LOL, not good for the relationship. And they are losing a lot of their customer's mail who are also using O365. It's become too many to micromanage, and their perception is it' smy fault, not M$. I don’t see much of a way out of letting the blacklisted M$ servers "in"/around my RBLs. FWIW, I've only bypassed my RBL checks, what comes in still goes through the rest of the checks (spamassassin etc.). _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org