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
