On Fri, Apr 16, 2021 at 05:30:43PM -0400, Bill Cole wrote: > No two current OS/distro 'families' of the 6 that I've checked have > the same 465/tcp entry, and only Debian has 'submissions' as the > primary name. None include it as an alias. All except MacOS have > smtps as either the primary name or an alias.
Yes, this is rather variable: Fedora 31: submission 587/tcp msa urd 465/tcp smtps FreeBSD 12.2: smtps 465/tcp submissions 465/tcp submission 587/tcp MacOS Big Sur: urd 465/tcp submission 587/tcp ... -- Viktor.