Question

Outgoing SMTP with startSSL not working

Posted April 9, 2013 5.2k views
Hi All, Incomming mail with startssl on imap is working. Sending with plain text password is working I have check port: 587 this one is open. When i do a telnet session everything is working when. What can the problem when i want use my mail client and it cant make a secure connection. Using: Centos, Dovecot, Postfix
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poudenes
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poudenes
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5 answers
moisey April 9, 2013
What mail client are you using?

Also do you have a self-signed or free cert? Depending on the mail client it may be rejecting it for that reason, but that is just a guess.

Does the mail client return a specific error message that might have more info?
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poudenes April 9, 2013
I use self signed cert. Using thunderbird as client.
Error msg: try translate from dutch to english

Failed to send message.
An error occurred while sending e-mail: Failed to make a secure connection. With SMTP server mail.160bpm.com using STARTTLS Switching STARTTLS for that server or contact your service provider.
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poudenes April 9, 2013
It also did not work using mail client of the iPad
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poudenes April 11, 2013
nobody can help me :( ...
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poudenes April 16, 2013
Hi All,

I was realy stupid... 1 little change and it was done:

smtpd_use_tls = to

to

smtpd_use_tls = yes

:)
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