What port needs to be open for incoming mail?

Discussion in 'Mail Server Support' started by Nick Glenn, Aug 24, 2010.

  1. Nick Glenn

    Nick Glenn New Email

    Oct 4, 2008
    Likes Received:
    I just opened up :25 SMTP and :110 POP3

  2. popowich

    popowich EQ Forum Admin Staff Member

    Aug 12, 2008
    Likes Received:
    Yes, it's port 25/tcp that needs to be open to receive incoming email on a mail server.

    Also make sure that your MX records are correct, and that all firewalls including hardware firewalls or software firewalls on the server have the port open.

    Other ports you might want open include 110/tcp for POP3 and 143/tcp for IMAP.

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