[mailop] Meta outgoing servers in black list (SORBS, 0SPAM...)

Hi, I've got a customer complaining that they don't receive emails from Meta for password reset. We have tracked down this to see that a lot of this servers are blacklisted in popular blacklists. A small subset of blacklisted addresses are: 66.220.155.136 66.220.155.140 66.220.155.142 66.220.1

Re: [mailop] Gmail now deferring email which meets their published reqs

I've seen problems like this because of ISP listing large net locks as "dialup" and not supposed to send email directly. Check spamhaus' PBL: https://www.spamhaus.org/pbl/ Best regards El 30 de diciembre de 2023 7:40:59 CET, Simon Wilson via mailop escribió: >I know, I'm not alone in this..