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Bad HELO - Host impersonating

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5 comments

  • cPanelMichael
    However, when I send an e-mail from an account on the old server to an account that was transferred and still on the old server, I receive "smtp; 550-"REJECTED - Bad HELO - Host impersonating".

    Hello :) You can browse to "WHM >> Service Configuration >> Exim Configuration Manager" on the destination server and disable the "Require remote (hostname/IP address) HELO" option, or add the source server IP address to the "Trusted SMTP IP addresses" option. Thank you.
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  • spiderlinginc
    Hello :) You can browse to "WHM >> Service Configuration >> Exim Configuration Manager" on the destination server and disable the "Require remote (hostname/IP address) HELO" option, or add the source server IP address to the "Trusted SMTP IP addresses" option. Thank you.

    Thanks Michael. Tried the first setting and it didn't work then added the second and still not working. Just to confirm, by destination server you mean the new server, correct?
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  • cPanelMichael
    Yes, I am referring to the new server when stating "Destination Server". Could you open a support ticket using the link in my signature so we can take a closer look? You can post the ticket number here so we can update this thread with the outcome. Thank you.
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  • spiderlinginc
    I made an additional change, but misplaced the the note of which one. :rolleyes: The messages are now being sent. I've included a snapshot of the ACL and Mail settings in hopes you might see which setting it was. My other issue is that both servers have the same hostname. Clients are using the hostname for their incoming and outgoing server settings for their e-mail programs/devices. I have a server-wide SSL for e-mail as well. I'm trying to avoid having the clients make any changes. I'd like to transfer their accounts and not "bother" them. Possible?
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  • cPanelMichael
    My other issue is that both servers have the same hostname. Clients are using the hostname for their incoming and outgoing server settings for their e-mail programs/devices. I have a server-wide SSL for e-mail as well. I'm trying to avoid having the clients make any changes. I'd like to transfer their accounts and not "bother" them. Possible?

    You should use separate hostnames for each server because the hostname will only resolve to a single IP address. Thank you.
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