Re: [fetchmail-devel] Downloading remote server certificate for a TLS session?

[Jakob H. <jh...@pl...>]

Rob MacGregor wrote:

> I was thinking about the recent thread that Anne Wilson started about
> TLS certificate problems.  While there's a fairly easy way of getting
> SSL certificates, there doesn't seem to be any way to use OpenSSL to
> get a certificate from a TLS session.

You are probably looking for
openssl s_client -connect your.server:pop3s
(or ...:pop3 -starttls pop3)

starttls works only with pop3 and smtp, though (and the smtp support is
lousy...).