SMTP. It stands for Simple Mail Transfer Protocol. But to many of us it’s far from simple, it’s another vaguely understood jargon phrase (I know it was for me before I joined Mailjet). SMTP is ...
I have some e-mail on my Exchange Queue for 3/4 domains that just won't send. It just says "SMTP Protocol Error Occurred". I activated logging in MSExchangeTransport ...
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