0x8004210A – “the operation timed out while waiting for a response from the receiving server”

Discussion in 'Microsoft Outlook' started by popowich, May 24, 2013.

  1. popowich

    popowich EQ Forum Admin Staff Member

    Aug 12, 2008
    Likes Received:

    If you are receiving this error it could be for several reasons:

    • The connection between your computer and mail server was disrupted (slow anti-virus, bad internet)
    • You tried to send a big email attachment that took too long to send
    • Your email server timeout settings are too short
    Possible solutions include:

    • Temporarily turning off virus scanning to determine if that's the problem
    • Compressing large files before sending or using file sharing service to transfer the files
    • Increasing the mail server timeout settings configured in your mail program

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