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I have a customer who can send to 1 person ok but not 300 with BCC. what is wrong?

Discussion in 'General Discussion' started by BianchiDude, Aug 1, 2007.

  1. BianchiDude

    BianchiDude Well-Known Member
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    I have a customer who can send to 1 person ok but not 300 with BCC. what is wrong?

    Is there a setting in cpanel or whm that is enabled by default to block messages that have x number of people in the BCC field?
     
  2. chirpy

    chirpy Well-Known Member

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    Go on, have a guess
    You would have to check what error they're logging in the exim mainlog. They're most likely breaching the RFC maximum mail header size. If they're using that many BCC entries they should be using a mailing list - that's what they are for.
     
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