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by flashmob
2920 days ago
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Yes, unfortunately you'd be losing email. Port 465 has been deprecated a while back (1997). I guess that's the problem - there is no practical way to disable plaintext email from the start. You may always need to accept the connection, see if the client will STARTTLS, disconnect if they do not and hope they don't re-try and keep hammering your servers with the same message, the error message "hey, i'm not accepting plaintext" will most likely get ignored. |
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