SMTP Error (-1): Connection to server failed.

pski

• February 05, 2015 11:55

I have blocked some ports on my iptables, to confrom to PCI Compliant Scan Result. (25,26,110,143,587,3306,2077) I can login to an emali client using the SSL configurations, which is using the VPS domain instead of clients domain. aka. server.serverdomain.net instead of mail.clientdomain.com, which is present but for unsecured I am unable to send or receive email. any ideas? maybe a setting in whm exim? thanks

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  pski

  • February 05, 2015 17:41

  The DataCenter told me it has to do with port 25 being closed, however that should not be the case.. I tried to restart exim, and i get this result.
  Exim MTA... Waiting for "exim" to restart ""waiting for "exim" to initialize "finished.
  Service Status:
  exim (/usr/sbin/exim -bd -q60m) running as mailnull with PID 23080 (pidfile check method) The service "exim" failed to send the expected response to host "127.0.0.1" and port "25" because an error: Timed out while trying to connect.
  Startup Log:
  Starting exim: [ OK ] 0 processes (antirelayd) sent signal 9 /usr/local/cpanel/scripts/update_sa_rules: running in background
  Log Messages:
  2015-02-05 18:29:11 exim 4.84 daemon started: pid=23080, -q1h, listening for SMTP on port 25 (IPv4) port 26 (IPv4) port 587 (IPv4) and for SMTPS on port 465 (IPv4) 2015-02-05 18:27:37 exim 4.84 daemon started: pid=22381, -q1h, listening for SMTPS on port 465 (IPv4) 2015-02-05 18:22:34 exim 4.84 daemon started: pid=20650, -q1h, listening for SMTPS on port 465 (IPv4) 2015-02-05 18:17:38 exim 4.84 daemon started: pid=17877, -q1h, listening for SMTPS on port 465 (IPv4) 2015-02-05 18:17:31 exim 4.84 daemon started: pid=17546, -q1h, listening for SMTP on port 25 (IPv4) port 26 (IPv4) port 587 (IPv4) and for SMTPS on port 465 (IPv4) exim has failed. Please contact your system administrator if the service does not automagically recover. ...Done
  

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  pski

  • February 05, 2015 18:15

  OK Another update: I found under Service Configuration > Service Manager > Exim Mail Server (on another port) I set this to 465 and it restarted again, expect this time i got the error Service Status:
  The service "exim" failed to send the expected response to host "127.0.0.1" and port "465" because an error: Timed out while waiting for a response.
  

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  dalem

  • February 06, 2015 05:23

  your DC is correct you blocked all your mail ports (25,26,110,143,587 Port 465 is for smtps you set it to share it with 25

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  cPanelMichael

  • February 06, 2015 12:43

  ]The DataCenter told me it has to do with port 25 being closed, however that should not be the case..

  
  Hello :) The information your data center provided sounds accurate. Please see the following post: Blocking Port 25 Thank you.

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  pski

  • February 06, 2015 15:43

  ]your DC is correct you blocked all your mail ports (25,26,110,143,587 Port 465 is for smtps you set it to share it with 25

  
  Ok so I have reset teh exim, and unblocked port 25 and 587 for the sake of things, mail seems to be working now. you mentioned set it to share port 25, i will have to look into that, I will submit another PCI scan if I can get to a comfortable spot tonight, and see what the results come back,

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  cPanelMichael

  • February 16, 2015 14:58

  I am happy to see that your email is now working well. Thank you for updating us with the outcome.

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