Please whitelist cPanel in your adblocker so that you’re able to see our version release promotions, thanks!

The Community Forums

Interact with an entire community of cPanel & WHM users!

MXToolbox and SMTP Reverse DNS Resolution

Discussion in 'Bind/DNS/Nameserver' started by InteractM, Aug 7, 2013.

  1. InteractM

    InteractM Well-Known Member

    Joined:
    Apr 2, 2013
    Messages:
    135
    Likes Received:
    1
    Trophy Points:
    18
    cPanel Access Level:
    Root Administrator
    When I try to test our server MX Toolbox returns an error for SMTP Reverse DNS Resolution

    "Reverse DNS FAILED! This is a problem."

    but I'm able to send/receive emails.

    Any clue what is going on? Or just MX Toolbox is not compatible with cPanel SMTP banners?
     
  2. cPanelMichael

    cPanelMichael Forums Analyst
    Staff Member

    Joined:
    Apr 11, 2011
    Messages:
    43,711
    Likes Received:
    1,794
    Trophy Points:
    363
    cPanel Access Level:
    Root Administrator
    Hello :)

    Have you checked to see if a RDNS entry is configured for the IP address you use to send email? Typically, you must send a request to your data center to have RDNS configured for your IP address pointing to the hostname of your server. The following command may be helpful to check if RDNS is configured:

    Code:
    host IPAddress
    Thank you.
     
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
Loading...

Share This Page

  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Dismiss Notice