sending problems for pmckay04 - Xfinity Help and Support Forums

pmckay04 · ‎09-11-2019

I have similar issue .. since thunderbird upgraded recently I can receive email but I cannot send to anyone this is part of the error Excessive failed authentication, ESMTP server temporarily not available.

pmckay04 · ‎09-11-2019

AND server sending wrong message???

ComcastAntiSpam · ‎09-11-2019

@pmckay04 Sending you a DM with some pertinent details.

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