Groups | Search | Server Info | Login | Register

Groups > comp.mail.sendmail > #8291

Re: SMART_HOST to port 465 or 587?

From kalevi@kolttonen.fi (Kalevi Kolttonen)
Newsgroups comp.mail.sendmail
Subject Re: SMART_HOST to port 465 or 587?
Date 2026-04-13 20:18 +0000
Organization A noiseless patient Spider
Message-ID <10rjj1u$3j7e1$1@dont-email.me> (permalink)
References <10rjcjs$23i1$1@gal.iecc.com> <10rjcuh$3h4e3$1@dont-email.me> <10rjg51$2kmm$1@gal.iecc.com>

Show all headers | View raw

John Levine <johnl@taugh.com> wrote:
> Thanks, that should do it.  Just out of curiosity is
> there a way to tell it to do immediate TLS on port 465?

I have no idea as I have never used port 465. I suppose
it is deprecated anyway, but I am not 100% sure.

From a performance point of view, issuing STARTTLS
ESMTP command on port 587 makes no practical difference
compared to the immediate TLS on port 465.

br,
KK

Back to comp.mail.sendmail | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

SMART_HOST to port 465 or 587? John Levine <johnl@taugh.com> - 2026-04-13 18:28 +0000
  Re: SMART_HOST to port 465 or 587? kalevi@kolttonen.fi (Kalevi Kolttonen) - 2026-04-13 18:33 +0000
    Re: SMART_HOST to port 465 or 587? John Levine <johnl@taugh.com> - 2026-04-13 19:28 +0000
      Re: SMART_HOST to port 465 or 587? kalevi@kolttonen.fi (Kalevi Kolttonen) - 2026-04-13 20:18 +0000
        Re: SMART_HOST to port 465 or 587? John Levine <johnl@taugh.com> - 2026-04-13 21:14 +0000
          Re: SMART_HOST to port 465 or 587? kalevi@kolttonen.fi (Kalevi Kolttonen) - 2026-04-13 21:39 +0000
          Re: SMART_HOST to port 465 or 587? Hugo Villeneuve-Lapointe <hugo_villap@email.invalid> - 2026-04-13 18:11 -0400
            Re: SMART_HOST to port 465 or 587? John Levine <johnl@taugh.com> - 2026-04-14 00:15 +0000
              Re: SMART_HOST to port 465 or 587? Hugo Villeneuve-Lapointe <hugo_villap@email.invalid> - 2026-04-13 23:27 -0400
                Re: SMART_HOST to port 465 or 587? Claus Aßmann <INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org> - 2026-04-14 02:20 -0400
                Re: SMART_HOST to port 465 or 587? Hugo Villeneuve-Lapointe <hugo_villap@email.invalid> - 2026-04-14 22:24 -0400
                Re: SMART_HOST to port 465 or 587? Bjørn Mork <bjorn@mork.no> - 2026-04-14 08:26 +0200
                Re: SMART_HOST to port 465 or 587? John Levine <johnl@taugh.com> - 2026-04-14 18:27 +0000
  Re: SMART_HOST to port 465 or 587? Andrzej Adam Filip <anfi@onet.eu> - 2026-04-13 21:00 +0200

csiph-web