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 ...
Microsoft announced today that inbound SMTP DANE with DNSSEC for Exchange Online, a new capability to boost email security and integrity, is now generally available. The company announced in September ...
Security researchers have found inconsistencies in how some Simple Mail Transfer Protocol (SMTP) servers handle end-of-data sequences. This allows the injection of SMTP commands into email messages in ...
Microsoft is rolling out inbound SMTP DANE with DNSSEC for Exchange Online in public preview, a new capability to boost email integrity and security. As the Exchange team explained on Wednesday, ...
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