Starting this morning (2018-05-2) my Squirrelmail (SM) composed posts
to a Listserv mailing list service are being bounced back with this:
Reporting-MTA: dns;smtp.utc.edu
Received-From-MTA: dns;NAM03-BY2-obe.outbound.protection.outlook.com
Arrival-Date: Thu, 24 May 2018 09:16:56 -0400
Original-R
On Thu, May 24, 2018 14:40, James B. Byrne wrote:
>
> Starting this morning (2018-05-2) my Squirrelmail (SM) composed posts
> to a Listserv mailing list service are being bounced back with this:
>
. . .
> Does anyone have a clue as to what is happening and how it is
> resolved?
>
The temporary fi