• Debian 11 has reached its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.81 is the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Cannot send email from client after upgrade to 12.5

Bogdan1

Regular Pleskian
Hello,

I don't know what's happened, but after install plesk 12.5 I can't send emails from client (in mobile,pc).


Sep 23 13:19:33 vps201188 postfix/smtpd[13829]: connect from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13829]: lost connection after CONNECT from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13829]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13829]: connect from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13829]: SSL_accept error from unknown[178.248.249.175]: -1
Sep 23 13:19:33 vps201188 postfix/smtpd[13829]: warning: TLS library problem: error:1408A10B:SSL routines:SSL3_GET_CLIENT_HELLO:wrong version number:s3_srvr.c:956:
Sep 23 13:19:33 vps201188 postfix/smtpd[13829]: lost connection after CONNECT from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13829]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13833]: lost connection after UNKNOWN from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13833]: lost connection after UNKNOWN from unknown[178.248.249.175]
Sep 23 13:19:33 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:35 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:19:35 vps201188 postfix/smtpd[13833]: lost connection after STARTTLS from unknown[178.248.249.175]
Sep 23 13:19:35 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:35 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:19:35 vps201188 postfix/smtpd[13833]: SSL_accept error from unknown[178.248.249.175]: -1
Sep 23 13:19:35 vps201188 postfix/smtpd[13833]: warning: TLS library problem: error:1408A10B:SSL routines:SSL3_GET_CLIENT_HELLO:wrong version number:s3_srvr.c:956:
Sep 23 13:19:35 vps201188 postfix/smtpd[13833]: lost connection after STARTTLS from unknown[178.248.249.175]
Sep 23 13:19:35 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13833]: lost connection after EHLO from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13829]: connect from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13829]: lost connection after CONNECT from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13829]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13829]: connect from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13829]: SSL_accept error from unknown[178.248.249.175]: -1
Sep 23 13:19:38 vps201188 postfix/smtpd[13829]: warning: TLS library problem: error:1408A10B:SSL routines:SSL3_GET_CLIENT_HELLO:wrong version number:s3_srvr.c:956:
Sep 23 13:19:38 vps201188 postfix/smtpd[13829]: lost connection after CONNECT from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13829]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13833]: lost connection after UNKNOWN from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13833]: lost connection after UNKNOWN from unknown[178.248.249.175]
Sep 23 13:19:38 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:40 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:19:40 vps201188 postfix/smtpd[13833]: lost connection after STARTTLS from unknown[178.248.249.175]
Sep 23 13:19:40 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:40 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:19:40 vps201188 postfix/smtpd[13833]: SSL_accept error from unknown[178.248.249.175]: -1
Sep 23 13:19:40 vps201188 postfix/smtpd[13833]: warning: TLS library problem: error:1408A10B:SSL routines:SSL3_GET_CLIENT_HELLO:wrong version number:s3_srvr.c:956:
Sep 23 13:19:40 vps201188 postfix/smtpd[13833]: lost connection after STARTTLS from unknown[178.248.249.175]
Sep 23 13:19:40 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:19:42 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:19:42 vps201188 postfix/smtpd[13833]: lost connection after EHLO from unknown[178.248.249.175]
Sep 23 13:19:42 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13829]: connect from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13829]: lost connection after EHLO from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13829]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13829]: connect from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13829]: lost connection after EHLO from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13829]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13833]: lost connection after UNKNOWN from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13833]: lost connection after UNKNOWN from unknown[178.248.249.175]
Sep 23 13:20:07 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:09 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:20:09 vps201188 postfix/smtpd[13833]: lost connection after EHLO from unknown[178.248.249.175]
Sep 23 13:20:09 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:09 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:20:10 vps201188 postfix/smtpd[13833]: lost connection after EHLO from unknown[178.248.249.175]
Sep 23 13:20:10 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:12 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:20:12 vps201188 postfix/smtpd[13833]: lost connection after EHLO from unknown[178.248.249.175]
Sep 23 13:20:12 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:31 vps201188 postfix/smtpd[13829]: connect from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13829]: lost connection after EHLO from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13829]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13829]: connect from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13829]: lost connection after EHLO from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13829]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13833]: lost connection after UNKNOWN from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13833]: connect from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13833]: lost connection after UNKNOWN from unknown[178.248.249.175]
Sep 23 13:20:32 vps201188 postfix/smtpd[13833]: disconnect from unknown[178.248.249.175]

But send and receive emails in roundcube works fine...
 
Hi Bogdan1,

postfix denies the usage of insecure SSL - protocols, which is absolutely correct and recommended.

Please have a look at these KB - article, threads and posts for example:

Poodle:



In some cases you might experience issues with incompatibilities for some browser and/or eMail - clients, after you followed the KB - article 123 160. It might help to read:


... to solve such issues, because there are several additional solutions provided in this thread.


Additional posts, found with the keywords "Mozilla intermediate" over => SEARCH - forum <= :

https://talk.plesk.com/threads/solv...service-unavailable.333940/page-2#post-784085

https://talk.plesk.com/threads/andr...-program-cannot-send-mail.334004/#post-784053

... and many more... ^^
 
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