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You can get direct access to ‘Unapologetic guide to Superior Email Deliverability’ as a free download. You can access it here and get read it anytime at your convenience.can download here. A [...]

SMTP PORT 465

Almost every ESP does not accept connections on port 465. Port 465 was never published by the Internet Engineering Task Force (IETF) as an official SMTP transmission channel but was registered as [...]