421 Too many spams from your IP

Discussion in 'Mail Server Support' started by popowich, Oct 12, 2011.

  1. popowich

    popowich EQ Forum Admin Staff Member

    Aug 12, 2008
    Likes Received:

    Are you getting the smtp error code 421_Too_many_spams_from_your_IP ?

    There are several things to check on your mail server including :

    • Verify that none of your clients or accounts are compromised/spamming
    • Verify that no one (sales, marketing) is sending emails that have spammy content
    • Check the IP address of your mail server to see if it's on a blacklist
    • New! Web site addresses (URL's) in email signatures could be a problem
    Make sure you fix the problem and have removed any remaining spam from your outgoing email queues before you submit a request to be delisted from an RBL / blacklist.

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