Dnia 14.08.2023 o godz. 10:42:53 Dan Malm via mailop pisze: > > Since Friday I'm seeing a rather extreme amount of SMTP AUTH > requeusts from the same IPv6 IP space that outlook.com uses when > sending emails on behalf of customers that have added an "external" > address to sync and send from to their outlook account. The AUTH > uses valid credentials for the accounts but just hangs up after > AUTH. The amount of connections seems to increase daily.
Do you have AUTH turned on on port 25? Why? Or are they accessing the submission port? -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "In a million years, when kids go to school, they're gonna know: once there was a Hushpuppy, and she lived with her daddy in the Bathtub." _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
