Wietse Venema: > Delivery to port 465 is not built into the Postfix SMTP client > because that protocol has been obsolete for 10+ years. That said, > it would not take much code to support this in the SMTP client.
Looks like this may be done by calling smtp_start_tls() instead of smtp_helo() and maybe twiddling a few flags. I'll do a quick experiment and see if this can be done without the risk of breaking existing code. Wietse