Mail server reverse DNS still flakey

Home Guidelines Messages Hashtags Subgroups Calendar

Henning Schulzrinne #26805 while talking to lb01.groups.io.: >>> RCPT To:<arch-econ@groups.io> <<< 500 Invalid request, no reverse DNS for 148.163.139.74 554 5.0.0 Service unavailable 451 4.4.1 reply: read error from lb01.groups.io. ... while talking to lb02.groups.io.: >>> DATA <<< 500 5.5.1 Invalid command This is from gmail, so not a fringe service...
More All Messages By This Member

Join main@beta.groups.io to automatically receive all group messages.