QMail can't receive emails: TLS_connect_failed:_error:14077410:SSL_routines:SSL23_GET_SERVER_HELLO:sslv3_alert_handshake_failure

Refers to:

  • Plesk 11.0 for Linux

Created:

2016-11-16 13:03:30 UTC

Modified:

2016-12-21 19:51:36 UTC

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QMail can't receive emails: TLS_connect_failed:_error:14077410:SSL_routines:SSL23_GET_SERVER_HELLO:sslv3_alert_handshake_failure

Symptoms

QMail can't receive emails. /usr/local/psa/var/log/maillog contain the following error message:

TLS_connect_failed:_error:14077410:SSL_routines:SSL23_GET_SERVER_HELLO:sslv3_alert_handshake_failure;_connected_to_123.123.123.123./

The following command provides an empty output:

#openssl ciphers -v | grep TLS

Cause

  • /var/qmail/control/tlsserverciphers has disabled SSLv3 support
  • OpenSSL version installed on the server is not support cipher suite higher than SSLv3

Resolution

Set /var/qmail/control/tlsserverciphers as follows:

ALL:!ADH:!LOW:!SSLv2:!EXP:+HIGH:+MEDIUM
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