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Re: set maximal_queue_lifetime for incoming and outgoing different ?

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  • Jorey Bump
    ... I second that. The 5 day default provides email administrators with a valuable safety net. Like any safety net, you hope that you will never need it, but
    Message 1 of 8 , Aug 1, 2007
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      Listaccount wrote:
      > Zitat von Alexander GrĂ¼ner <agruener@...>:
      >
      >> Hi,
      >>
      >> my postfix just relays mails to a Lotus Notes server and the internet.
      >>
      >> Internet <-> Postfix <-> Lotus Notes
      >>
      >> My maximal_queue_lifetime is set to 2h which works fine. This
      >> relatively small amount is because the users want to know very fast if
      >> the mail is not deliverable. Earlier they sent an offer and received 5
      >> days later, that it does not work...
      >
      > RFC 2821 (section 4.5.4.1) state that you should at least use 4-5 days
      > to retry. If you set your value that low you go for trouble with
      > slow/overloaded hosts, long greylisting or network outages. Use the
      > delay_warning_time instead of breaking e-mail delivery.
      > E-Mail is not a real time communication and should not be used as such.

      I second that. The 5 day default provides email administrators with a
      valuable safety net. Like any safety net, you hope that you will never
      need it, but it had better work when you do. I've relied on it more than
      once.
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