The error message complains about the postmaster email.
From your description its hard to say what happend. If you notice it happens again please provide steps to repeat.
Hi,
Some incoiming external e-mails, like invitation for scheduled Zoom meeting, comes with special attachement .ics to create an event in calendars. When such e-mail is received by SERP mail syste...
Hi,
I checked option "Use External Mail Software" in setting "Mail and Conferences Settings" in module "Mail and Conferences". When I create an invoice email I have a ...
