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SSL negotiation failed

Support queries shared: “SSL negotiation failed” errors in SMTP logs

November 3, 2014 / neilzensoftware / Leave a comment

Today’s nugget of MDaemon wisdom comes from conversations I’ve had with a small number of customers reporting they’re unable to send outbound email to specific recipients.

Upon closer inspection of the error in the SMTP (OUT) log, there’s a message reading “SSL negotiation failed“.

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