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Thread: MTA failure send mail

  1. #1
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    Default MTA failure send mail

    Hello,

    I have linux distribution, debian 3,1.
    I don't have any problème for send a message.
    I can send a message with small zip folder above 1mb

    I cannot send a big zip folder above 8 mb

    I have this message when i try to send this zip folder 8 mb

    msg - SMTP server reported: null
    code - mail.SEND_FAILURE
    method - ZmCsfeCommand.prototype.invoke
    detail - soap:Sender
    data - [object Object]

    I already check inside ZimbraAdmin.
    And MTA have a limite . And the limite is 10 mb.

    Can you help me please, see you

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    You'll have to increase the limit to more than 10MB for an 8MB file, when a file is uploaded and converted to mime format it can occupy 30% more than the original file size. You need to do the following:

    Code:
    zmprov mcf zimbraMtaMaxMessageSize 10240000
    zmprov mcf zimbraFileUploadMaxSize 10485760
    Obviously change the size that required by your files.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
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    Bill knows what he's talking about-though I think he meant to flip the values so that 'MtaMax' is larger than FileMax'

    EDIT: ok, so this is on top of zimbraFileUploadMaxSize 30% > than your 10MB limit being asked about in your posts.

    Also as a general rule, I set zimbraMtaMaxMessageSize 10% larger than the zimbraFileUploadMaxSize.

    Say both are set to 10MB (and you tell everyone they can send 10MB attachments):
    An email with a 9MB attachment and 100KB message body text. The attachment may be less than the 10MB zimbraFileUploadMaxSize, and so it'll get accepted by the file upload system. But when it's converted into a MIME message it ends up base64-encoded. Then add 100K of regular body text, and the resulting message (say 10.3MB or so) is then handed off to postfix, which checks zimbraMtaMaxMessageSize and promptly rejects the message if it's over the limit of 10MB.

    Of course set zimbraMtaMaxMessageSize even larger if you want to allow emails with multiple large attachments.

    Also, there's a spamassassin setting to not scan/spend cpu resources on really large messages that are over x value in size - adjust accordingly if your willing to risk a little less protection in tradeoff for quicker large file delivery.
    Last edited by mmorse; 11-01-2007 at 09:40 AM.

  4. #4
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by mmorse View Post
    Bill knows what he's talking about-though I think he meant to flip the values so that 'MtaMax' is larger than FileMax'
    No, he said to set the file size to that required for the ones he's sending plus the 30% more that I mentioned in the above post.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  5. #5
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    I always thought it goes though the maxupload check before it get's converted to MIME?

    If instead it's converted first:
    He's gotta be able to send the thing if there's body text as well; so file > 30% than the planned 10MB, and mta 10% > file?
    Last edited by mmorse; 09-18-2007 at 08:05 AM.

  6. #6
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    Quote Originally Posted by mmorse View Post

    Also, there's a spamassassin setting to not scan/spend cpu resources on really large messages that are over x value in size - adjust accordingly if your willing to risk a little less protection in tradeoff for quicker large file delivery.
    May i ask, which setting for spamassasin to set for the above ?

  7. #7
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    hello,

    i'm in a situation when we send to 1 recipient the mail passe
    and when we send the same mail to a distribution list the error occur (in BCC)
    the email have size of 3Mo

    Do the header of the email is populated by all the recipients (1400) and then ran out of the quota ?

    our config :
    zmprov gcf zimbraMtaMaxMessageSize
    zimbraMtaMaxMessageSize: 3174400

    zmprov gcf zimbraFileUploadMaxSize
    zimbraFileUploadMaxSize: 104857600

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