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293834Re: STARTTLS not announced?!

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  • Jeroen Geilman
    Jun 15, 2013
      On 06/15/2013 12:13 PM, Benny Pedersen wrote:
      > Jan Kohnert skrev den 2013-06-15 10:57:
      >> http://www.postfix.org/postconf.5.html#smtpd_tls_auth_only
      > do i need to tell it in --verbose ?
      > starttls have nothing to do with auth, just becurse this option have
      > tls and auth in one line does not make tls/ssl needed to make auth work

      Quoted from the above documentation:

      smtpd_tls_auth_only (default: no)
      "When TLS encryption is optional in the Postfix SMTP server, do
      not announce or accept SASL authentication over unencrypted connections. "

      In other words, yes, setting this option in conjunction with
      "smtpd_tls_security_level = may" *requires* TLS in order to AUTH.

      smtpd_tls_security_level = encrypt means the server will *reject* any
      commands that are not STARTTLS, until a TLS connection has been established.

      This includes AUTH.

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