Thunderbird client accepts IP address & the MTA's maillog has some indication it arrives but I currently has a different problem with the MTA. Would be good to elaborate with an example of HELO or EHLO & ... as the link Cameron provided was quite technical U > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
