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Thread: lmtpinject suppressing "duplicate" messages?

  1. #1
    shaver is offline Intermediate Member
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    Default lmtpinject suppressing "duplicate" messages?

    I've been working on getting some mbox importing scripts working, and I've found that if I import a message via lmtpinject, then delete it via the web UI, I can't reimport that message again.

    I don't get any errors in the lmtpinject output, nor do I see anything in the logs about it being rejected or discarded. I've tried emptying the trash as well, in case it was doing some unique-detection on message-ID (which would be a little spooky in its own right, I must say).

    If I restart Zimbra it clears up and I can reinject a given message, but that's a pretty invasive solution for iterating on these tools. Anyone know where I would poke to have it purge whatever cache or list is keeping the message from being re-injected?

    Mike

  2. #2
    dkarp is offline Zimbra Employee
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    Default deduping

    The LMTP service uses a memory-only table to keep track of which recipient/Message-IDs pairs it's received recently. As you've seen, it silently drops any duplicates it sees.

    To turn off this functionality, just set the global LDAP config key zimbraMessageIdDedupeCacheSize to 0.
    Bugzilla - Wiki - Downloads - Before posting... Search!

  3. #3
    shaver is offline Intermediate Member
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    Default

    Great, thanks for that tip!

    Mike

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