This is just a repost so I remember. When talking SMTP via a PHP script with a webserver, remember to initiate with “EHLO” instead of the usual “HELO”.
HELO does not allow for STARTTLS.
This is just a repost so I remember. When talking SMTP via a PHP script with a webserver, remember to initiate with “EHLO” instead of the usual “HELO”.
HELO does not allow for STARTTLS.