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Eir webmail POP3 server

  • 11-08-2019 8:51pm
    #1
    notahappycamper
    Registered Users, Registered Users 2 Posts: 2,136 ✭✭✭


    Hi,

    Since Thursday it appears the Eir Webmail server is blocking my IP address and I cannot get incoming mail via. POP3. I use a fixed IP address via. Vodaone.

    If I use a VPN it works.

    Any ideas why the Eir Webmail server is blocking my IP address?


Comments

  • #2
    ED E
    Registered Users, Registered Users 2 Posts: 36,169 ✭✭✭✭ED E


    Blocking should only ever be implemented on the outbound(SMTP) side. They might start banning based on repeat bad login attempts but that'd be temporary. Any chance a machine on your network is continually attempt a login?


    Also confirm that you're being blocked and not just missing a route to the address as a VPN could also resolve that.


  • #3
    notahappycamper
    Registered Users, Registered Users 2 Posts: 2,136 ✭✭✭notahappycamper


    ED E wrote: »
    Blocking should only ever be implemented on the outbound(SMTP) side. They might start banning based on repeat bad login attempts but that'd be temporary. Any chance a machine on your network is continually attempt a login?


    Also confirm that you're being blocked and not just missing a route to the address as a VPN could also resolve that.

    No other machine logging in.

    How would I check that a route to the address is missing?


  • #4
    ED E
    Registered Users, Registered Users 2 Posts: 36,169 ✭✭✭✭ED E


    tracert to webmail.eir.ie should manage to hop all the way (thus ping will too). Checked with a VM connection. If you see failed hops at the VF edge router that could point at them.

    telnet webmail.eir.ie:143 will give a bad command message if its reachable. If you were being actively blocked I suspect you'd get a connection refused instead (another poster might confirm there). If theres no route itll just time out connecting.


  • #5
    notahappycamper
    Registered Users, Registered Users 2 Posts: 2,136 ✭✭✭notahappycamper


    ED E wrote: »
    tracert to webmail.eir.ie should manage to hop all the way (thus ping will too). Checked with a VM connection. If you see failed hops at the VF edge router that could point at them.

    telnet webmail.eir.ie:143 will give a bad command message if its reachable. If you were being actively blocked I suspect you'd get a connection refused instead (another poster might confirm there). If theres no route itll just time out connecting.

    Here is what I get but I don’t understand it:


  • #6
    notahappycamper
    Registered Users, Registered Users 2 Posts: 2,136 ✭✭✭notahappycamper


    notahappycamper wrote: »
    Here is what I get but I don’t understand it:

    Anyone know if the tracert results in the attached picture are ok?


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  • #7
    ED E
    Registered Users, Registered Users 2 Posts: 36,169 ✭✭✭✭ED E


    You have base level connectivity as far as the server, try telnet to see what the server does with a new connection from you.


  • #8
    notahappycamper
    Registered Users, Registered Users 2 Posts: 2,136 ✭✭✭notahappycamper


    ED E wrote: »
    You have base level connectivity as far as the server, try telnet to see what the server does with a new connection from you.

    Ok I did that telnet webmail.eircom.net:110
    and it said could not open connection to the host, on port 23: connect failed.


  • #9
    ED E
    Registered Users, Registered Users 2 Posts: 36,169 ✭✭✭✭ED E


    I used standard notation there, sorry. In your command the colon is a space instead.


  • #10
    notahappycamper
    Registered Users, Registered Users 2 Posts: 2,136 ✭✭✭notahappycamper


    ED E wrote: »
    I used standard notation there, sorry. In your command the colon is a space instead.

    It takes the command but the screen is blank apart from Telnet webmail.eircom.net at the top. No messages.


  • #11
    ED E
    Registered Users, Registered Users 2 Posts: 36,169 ✭✭✭✭ED E


    Sounds like you are being ignored so as you initially suggested (unless you're behind hardware that is doing filtering, two 10. nets in the trace makes me think this is a commercial setup perhaps?).

    webmaster@eircom.ie (webmaster@eir.ie) might have an answer. Maybe.


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  • #12
    notahappycamper
    Registered Users, Registered Users 2 Posts: 2,136 ✭✭✭notahappycamper


    ED E wrote: »
    Sounds like you are being ignored so as you initially suggested (unless you're behind hardware that is doing filtering, two 10. nets in the trace makes me think this is a commercial setup perhaps?).

    webmaster@eircom.ie (webmaster@eir.ie) might have an answer. Maybe.

    Well this is strange, I changed the port to 995 and turned SSL on and it worked without the need for a VPN!


  • #13
    ED E
    Registered Users, Registered Users 2 Posts: 36,169 ✭✭✭✭ED E


    Something is playing with your traffic if enabling SSL fixed it.


  • #14
    notahappycamper
    Registered Users, Registered Users 2 Posts: 2,136 ✭✭✭notahappycamper


    ED E wrote: »
    Something is playing with your traffic if enabling SSL fixed it.

    In a good way or a bad way?

    Also, just to follow on from your last observation, not a commercial set up. I have bridged my Vodafone 659 to an Orbi and logging in that way and have a fixed IP address with Vodafone.


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