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!

No route to host

Discussion in 'E-mail Discussion' started by phpg33k, Dec 5, 2013.

  1. phpg33k

    phpg33k Registered

    Joined:
    Sep 27, 2013
    Messages:
    2
    Likes Received:
    0
    Trophy Points:
    1
    cPanel Access Level:
    Root Administrator
    My email has been running smoothly, until 1:30pm EST today.

    All of a sudden, no emails are able to send. I disabled the firewall and flushed IP tables, still nothing.
    I continue to get No route to host with all emails.

    I have almost 1300 emails just sitting in my queue.

    Running this
    Code:
    telnet ASPMX.L.GOOGLE.com 25
    
    I get
    Code:
    Trying 173.194.68.27...
    telnet: connect to address 173.194.68.27: No route to host
    Trying 2607:f8b0:400d:c02::1a...
    telnet: connect to address 2607:f8b0:400d:c02::1a: Network is unreachable
    
    I can ping 173.194.68.27 with no problem.
    Code:
    ping 173.194.74.26
    PING 173.194.74.26 (173.194.74.26) 56(84) bytes of data.
    64 bytes from 173.194.74.26: icmp_seq=1 ttl=49 time=56.9 ms
    64 bytes from 173.194.74.26: icmp_seq=2 ttl=49 time=56.9 ms
    64 bytes from 173.194.74.26: icmp_seq=3 ttl=49 time=56.7 ms
    64 bytes from 173.194.74.26: icmp_seq=4 ttl=49 time=57.3 ms
    64 bytes from 173.194.74.26: icmp_seq=5 ttl=49 time=57.0 ms
    64 bytes from 173.194.74.26: icmp_seq=6 ttl=49 time=56.7 ms
    64 bytes from 173.194.74.26: icmp_seq=7 ttl=49 time=57.5 ms
    64 bytes from 173.194.74.26: icmp_seq=8 ttl=49 time=57.1 ms
    64 bytes from 173.194.74.26: icmp_seq=9 ttl=49 time=57.2 ms
    64 bytes from 173.194.74.26: icmp_seq=10 ttl=49 time=56.8 ms
    64 bytes from 173.194.74.26: icmp_seq=11 ttl=49 time=57.0 ms
    64 bytes from 173.194.74.26: icmp_seq=12 ttl=49 time=57.0 ms
    64 bytes from 173.194.74.26: icmp_seq=13 ttl=49 time=56.8 ms
    64 bytes from 173.194.74.26: icmp_seq=14 ttl=49 time=57.1 ms
    64 bytes from 173.194.74.26: icmp_seq=15 ttl=49 time=57.2 ms
    64 bytes from 173.194.74.26: icmp_seq=16 ttl=49 time=57.0 ms
    64 bytes from 173.194.74.26: icmp_seq=17 ttl=49 time=57.3 ms
    64 bytes from 173.194.74.26: icmp_seq=18 ttl=49 time=56.8 ms
    64 bytes from 173.194.74.26: icmp_seq=19 ttl=49 time=57.1 ms
    ^C
    --- 173.194.74.26 ping statistics ---
    19 packets transmitted, 19 received, 0% packet loss, time 18333ms
    rtt min/avg/max/mdev = 56.722/57.072/57.527/0.292 ms
    
    So my question is, where is this port being blocked and how can I correct this?
     
  2. cPanelMichael

    cPanelMichael Technical Support Community Manager
    Staff Member

    Joined:
    Apr 11, 2011
    Messages:
    45,442
    Likes Received:
    1,961
    Trophy Points:
    363
    cPanel Access Level:
    Root Administrator
    Twitter:
    Hello :)

    Are you experiencing the same problem when attempting to connect to other remote hosts besides Google? If so, I recommend consulting with your data center or upstream provider. It sounds like there may be a firewall in place outside of your server causing this problem if the issue persists when you disable iptables.

    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