receiving Email problem

usahosting23

• January 20, 2018 13:42

Hello, We're having problem for receiving emails in the new Cpanel version 68 .... Senders receive the following errors And can not send us an email to my cpanel server : TLS connect failed: error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol; connected to ****I'm not going to try again; this message has been in the queue too long. AND SSL negotiation failed, error code 0x80090308 Please Help me for resolve this problem Thanks

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  cPanelMichael

  • January 22, 2018 15:33

  Hello, The error message suggests the remote host is using an outdated/insecure protocol for sending email. There's a thread on this topic at: Thank you.

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  usahosting23

  • January 22, 2018 15:53

  Hello, The error message suggests the remote host is using an outdated/insecure protocol for sending email. There's a thread on this topic at:

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  cPanelMichael

  • January 22, 2018 16:25

  Hello, The issue is with their mail server configuration, however there are workarounds available in the thread I linked (though note the workarounds decrease your server's security). Thank you.

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  ar.ripon

  • March 01, 2018 03:13

  We have facing Mail incoming problem from some domain as destination server shows below status when mail delivered : 2018-02-25 16:40:12.523423500 delivery 155: deferral: TLS_not_available:_connect_failed:_error:140770FC:SSL_routines But my cpanel server not getting this mail and destination server gets a below bounce back report: Sorry, I wasn't able to establish an SMTP connection. (#4.4.1) I'm not going to try again; this message has been in the queue too long. Any idea what will be further process. My server details :

  • CENTOS 6.9 standard [whm]

  • v68.0.16

  Is there any solution??

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  easyswiss

  • March 06, 2018 10:32

  > Sorry, I wasn't able to establish an SMTP connection. (#4.4.1) Same issue on 6 different cpanel servers in different networks since we updated cPanel exim with default version. Issue exists for: - Removed -

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  cPanelMichael

  • March 06, 2018 13:01

  Hello @ar.ripon and @easyswiss, Can you verify which workarounds you have attempted from the thread linked below? Thank you.

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  ar.ripon

  • March 07, 2018 02:51

  Issue only occurs when user send mail from centos5 version qmail but qmail which configured in centos6 or centos7,mail incoming is working fine. Is there any TLS version issue??

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  cPanelMichael

  • March 07, 2018 18:19

  Issue only occurs when user send mail from centos5 version qmail but qmail which configured in centos6 or centos7,mail incoming is working fine. Is there any TLS version issue??

  
  Hello, CentOS 5 only offers support for TLS 1.0. Additionally, it's an end-of-life operating system, so the owner of that server should consider updating to a supported version (e.g. CentOS 6 or CentOS 7). If you want to accept email from that server, you'd need to implement one of the workarounds referenced in the thread linked in my last response. Thank you.

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