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Really big Mail issue

Discussion in 'E-mail Discussions' started by lukapaunovic, Nov 21, 2012.

  1. lukapaunovic

    lukapaunovic Active Member

    Jul 29, 2012
    Likes Received:
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    Užice, Serbia
    cPanel Access Level:
    Root Administrator
    I have two IP addresses on my cPanel server.

    I changed IP address of my hosting domain name to second IP address which is not main, but hostname is using that domain and it's assigned to main ip address.

    Before 2 days I got issue with mail.
    When my clients with valid data in their php scripts try to connect to SMTP they got refuse message in error log
    "ERROR: Password not accepted from server: 535 Incorrect authentication data "
    They use as hostname mail.their'
    But when they use my domain, which is only assigned to different (second) ip because of ssl certificate, they can send mails.
    Before 2 days and mine and their ip were accepting smtp connections.
    I do not know what is happening, I rebuild exim, changed courier to dovecot...
    Repaired mail permissions with option in WHM...
    nothing helps
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