> On Mar 18, 2020, at 11:45 AM, ego...@gmail.com wrote: > > host xxx-xxx.mail.protection.outlook.com[X.X.X.X] said: 554 5.4.14 Hop > count exceeded - possible mail loop ATTR1 > [xxx-xxx.prod.protection.outlook.com] (in reply to end of DATA > command) >
I suspect this is based on received headers. > Is there a way in Postfix to > "mask" (?) source IP and avoid this loop? Do you have better ideas? Alternatively, You could remove some of the existing Received: headers with Postfix. See http://www.postfix.org/header_checks.5.html
