Dnia 17.05.2021 o godz. 21:55:22 Peter pisze: > > Port 465 = submissions = best > Port 587 with mandatory starttls = submission = acceptable
I would disagree that port 465 with TLS-wrapper around SMTP is better than port 587 with STARTTLS. It's only your personal opinion. Port 587 with mandatory STARTTLS is in no way less secure than TLS-wrapped port 465. In fact, port 587 with STARTTLS is more standards-compliant than port 465, because the latter has never been published as official standard. My personal opinion would be completely contrary to yours: use port 587 with (mandatory) TLS whenever possible, only if the server does not offer it, but offers TLS-wrapped port 465, fall back to that instead. But all this discussion has nothing to the original question, as the OP explictly wanted to test sending mail via port 25. -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "In a million years, when kids go to school, they're gonna know: once there was a Hushpuppy, and she lived with her daddy in the Bathtub."
