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Re: STARTTLS and mailservers who choke on it

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  • Robert Schetterer
    ... yes, i noticed that too -- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria
    Message 1 of 4 , Mar 29, 2012
      Am 29.03.2012 09:35, schrieb Ralf Hildebrandt:
      > * Per Jessen <per@...>:
      >> I'm wondering how others handle this. We offer TLS for all inbound
      >> traffic, which works fine 99% of the time. Every other day though I
      >> notice one or two mailservers who simply cannot cope with it. They try,
      >> but they keep getting a timeout. Something is clearly not working on
      >> their side and the email will eventually not get delivered. (I'm pretty
      >> certain they're all MSEX, but that's just a hunch).
      >>
      >> To prevent this I check our logs regularly and use
      >> smtpd_discard_ehlo_keyword_address_maps to disable starttls for those
      >> servers that have a problem. It's a bit of a hassle, so I was wondering
      >> how others handle it?
      >
      > I handle it exactly the same way. On a related issue: There are
      > systems which request DSN (delivery status notification), but once our
      > system sends those, their server won't accept them.
      >

      yes, i noticed that too

      --
      Best Regards

      MfG Robert Schetterer

      Germany/Munich/Bavaria
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