Got it, Wietse. What do you mean with "fix the forwarding at your end"? Can I tweak something different in Postfix? Have a nice day.
Il giorno mer 18 mar 2020 alle ore 18:13 Wietse Venema <wie...@porcupine.org> ha scritto: > > ego...@gmail.com: > > Thanks Dusan and Wietse, I searched in postfix log files and I can > > confirm that looping emails have the same ID. "Normal" emails ID > > appear in the log files a few times (depending on the number of > > recipients I suppose), but looping emails appear many times: > > > > 14 times > > db8p195mb0565dd65da92d1861c8946u48c...@db8p195mb0565.eurp222.prod.outlook.com > > 14 times > > vi1p195mb02560627a8aa5227c95208cd80...@vi1p195mb0256.eurp222.prod.outlook.com > > 14 times > > vi1p195mb0463506au7u3dc47au795a8u92...@vi1p195mb0463.eurp222.prod.outlook.com > > That proves that email is really going back and forth between > your site and Microsoft. > > > I think I'll try with Dusan advice and let you know. Feel free to > > suggest something else if comes to your mind. > > DO NOT STRIP Received: headers. THAT WOULD BE A HUGE MISTAKE. > > Tweaking your IP address won't fix the forwarding loop. > > You have to fix the forwarding at your end or at Microsoft's end. > > Wietse
