Technical details of permanent failure 550 5.1.1 double checking the recipient's email address

Discussion in 'Gmail' started by popowich, Oct 2, 2011.

  1. popowich

    popowich EQ Forum Admin Staff Member

    Aug 12, 2008
    Likes Received:
    If you get this error double check that you are sending email to the correct email address.

    Maybe you typed it wrong. Maybe it's wrong in your address book. Maybe it no longer exists.

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