Dnia 10.12.2021 o godz. 12:58:06 Piper H pisze: > I dont think so @raf. I can specify my IP's hostname to t-online.de too.
Yes, you can set PTR of your IP to somename.t-online.de, but somename.t-online.de won't resolve back to your IP. And this is the method of checking that MTAs (eg. Postfix) usually use. -- 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."