Starting from 2024, we have disabled the SMTP port number 465. The SMTP server no longer accept connections on port - 465.
Port 465 is a deprecated standard for SMTP, so most SMTP servers block connections made using this port.
So if you are using SMTP port number 465, you need to change the SMTP port number to 587 and security encryption method to STARTTLS (TLS) in the SMTP settings. Otherwise your websites will not be able to send the emails using SMTP.
Port 587 is often used to encrypt SMTP messages using STARTTLS, which allows the email client to establish secure connections by requesting that the mail server upgrade the connection through TLS.
Thursday, January 18, 2024
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