EXTERNAL: How to setup stunnel für SMTP over STARTTL S (and not pure SSL)?

Ben Stover bxstover at yahoo.co.uk
Wed Oct 16 17:05:17 CEST 2013

Hmm,  this seems to be for server usage.

I want to use it on the client side.

On Wed, 16 Oct 2013 12:54:20 +0000, Bucci, David G wrote:


>Yes, it's supported. (you'll get a cert error on that connect, ironically)

>-----Original Message-----
>From: stunnel-users [mailto:stunnel-users-bounces at stunnel.org] On Behalf Of Ben Stover
>Sent: Wednesday, October 16, 2013 5:56 AM
>To: Stunnel Users
>Subject: EXTERNAL: How to setup stunnel für SMTP over STARTTLS (and not pure SSL)?

>Assume my mailbox provider offers only SMTP delivery over STARTTLS (and not pure SSL).

>How do I have configure stunnel to cope with this protocol?

>Lets say the remote smtp server would be


>How would a service section in conf file look like?

>Thank you

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