Thanks for the information. I was able to get it running by changing the zope.sendmail-3.7.5-py2.7.egg, more specifically changing the "no_ssl" variable to True in mailer.py. I wonder if this "no_ssl" variable can be set somewhere in the administration/setup area?
Thanks again, Mikko. James. On Thu, Jun 18, 2015 at 6:41 PM, Mikko Ohtamaa < [email protected]> wrote: > > > On 18 June 2015 at 08:45, James Hanson <[email protected]> wrote: > >> We are getting the following message when setting up the Mail settings >> and doing the "save and send test email". >> Error Unable to send test e-mail [Errno 1] _ssl.c:504: error:1411809D:SSL >> routines:SSL_CHECK_SERVERHELLO_TLSEXT:tls invalid. >> >> Sending through our SMTP server works from the command line. >> >> Traceback at: http://pastie.org/10247132 >> Plone version 4.2.1 on linux 2.6.33.7-server-2mnb >> >> Not finding much help from searching. >> > > It is related to Python 2.7, it's SSL built and what default SSL/TLS > Python uses when it negotiates the secret connection. Knowing what kind of > encryption the mail server uses might give a hint. > > Here is a mixed bag of related errors: > > > http://stackoverflow.com/questions/10678695/in-python-3-2-i-can-open-and-read-an-https-web-page-with-http-client-but-urlli > > Potential causes I come up in my mind are > > - Python tries SSLv2 when SSLv3 required > > - The server requires Server Name Identification (SNI) support which > Python version running Plone supports > > Unfortunately I am not sure how to fix, but with more information I am > sure this is solvable. > > As a work around what you can always do: Setting up a mail server on the > server (localhost) which works as a slave for the actual external mail > server. Here is an example for Ubuntu Linux and Postfix: > > > http://opensourcehacker.com/2013/03/26/using-postfix-and-free-mandrill-email-service-for-smtp-on-ubuntu-linux-server/ > > Thanks, > Mikko > > > >> James. >> >> _______________________________________________ >> Setup mailing list >> [email protected] >> https://lists.plone.org/mailman/listinfo/plone-setup >> >> > > > -- > Mikko Ohtamaa > http://opensourcehacker.com > http://twitter.com/moo9000 >
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