From: Noel Jones (njonesmegan.vbhcs.org)
Date: Thu Dec 11 2008 - 11:12:17 CST

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Dennis Putnam wrote:
> I thought I had this working at some point but it seems that my outgoing
> emails are not being sent via TLS when offered (incoming is fine). I can
> see the offer in the smtp log but no TLS session is started. Did
> something get dropped from my main.cf?
>
> smtpd_use_tls = yes
> smtpd_tls_cert_file = /etc/postfix/ssl/smtp.crt
> smtpd_tls_key_file = /etc/postfix/ssl/smtpunc.key
> smtpd_tls_CAfile = /etc/postfix/ssl/root.crt
> smtpd_tls_loglevel = 1
> smtp_tls_loglevel = 1
> smtpd_tls_received_header = yes
> smtp_tls_note_starttls_offer = yes
>
> This is version 2.2 so I cannot enforce TLS but I want to use TLS
> whenever possible. Thanks.
>

Postfix TLS support in versions prior to 2.3 was provided by a
third-party patch. Support for those versions is limited; I
would strongly encourage upgrading.

You need to enable TLS for outgoing connections. I think the
settings for 2.2 were:
smtp_use_tls = yes
smtp_enforce_tls = no
Consult the TLS_README included with your postfix version for
details.

--
Noel Jones

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