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SMTP had been letting servers talk to each other in cleartext forever. How many email providers send to each other over a secure connection? Certainly not all.
by richardw 8y ago
SMTP had been letting servers talk to each other in cleartext forever. How many email providers send to each other over a secure connection? Certainly not all.
- AstralStorm 8y agoAlmost all nowadays as Gmail rejects insecure input. On other servers unsecured mail input gets big spam scores. Perhaps some internal ones take plaintext from local machines, but inter server is almost always TLS.