3

E.g., 2 users have auto-reply configured. User A sends a message to User B. User B's auto-reply gets sent to User A's mailbox. That, in turn, causes an auto-reply to be sent from User A and insanity ensues.

How does Exchange 2010 prevent this scenario?

Also, can Exchange 2010 prevent a user's mailbox sending more than one auto-reply to the same user in one day?

Bonus: Assuming Exchange prevents this, how do I configure the settings?

  • 1
    Why would you want to configure it? It works fine. Use your time on problems :) – pauska Jun 6 '11 at 17:31
  • I just want to know what options are available. We are migrating from another mail system and administration might want to reproduce the way our current system works. – Belmin Fernandez Jun 7 '11 at 12:12
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    @Pauska: do you mean use your time to solve problems or make more? I'm pretty good at both. – Bart Silverstrim Jun 7 '11 at 16:39
  • Ah, sysadmin banter. Appreciated by so few. – Belmin Fernandez Jun 7 '11 at 17:14
  • +1 for offering a bonus question. – james.garriss Feb 21 '13 at 19:40
11

Auto replies only get sent once per sender, per activation. There is no auto-reply loop with Exchange systems. Microsoft KB

  • 3
    To be clear, they are sent once per Sender. – joeqwerty Jun 6 '11 at 17:26
  • Thanks @joeqwerty, I was trying to find the right term... I'll change it. – Holocryptic Jun 6 '11 at 17:26
  • Glad to pitch in. – joeqwerty Jun 6 '11 at 17:28
  • Thanks gentlemen. Do you know of any official documentation of this behavior? – Belmin Fernandez Jun 7 '11 at 12:21
  • 1
    added link for referrence – Holocryptic Jun 7 '11 at 14:33
7

the header is x-auto-response-suppress:all is sent by default on auto replies. That in conjunction with x-ms-exchange-inbox-rules-loop (which contains the sender email address), should resolve any potential loop conditions.

  • So another system could also use this header to prevent an auto reply loop correct? – Belmin Fernandez Jun 7 '11 at 12:14
  • not that I am aware of – Jim B Jun 7 '11 at 12:32
  • Exchange often strips Exchange-specific headers as messages leave the organization, @Beaming, so you need to find out whether this header is stripped. – james.garriss Feb 21 '13 at 19:44
1

You can get around the one per sender restiction. In auto reply create a rules and a template and set as reply to all The sender will receive 2 emails on first contact. Then just one on second contact.

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