[fetchmail]Server CommonName mismatch

[Matthias Andree]

Payal Rathod <payal-fetchmail@scriptkitchen.com> writes:

> Hi,
> I am trying my friend's VPN and mailserver.
> I have a simple fetchmail script like
> poll example.com with proto pop3
> user payal with password xxx is payal here
>
> But when I run fetchmail, I get,
> fetchmail: Server CommonName: localhost
> fetchmail: Server CommonName mismatch: localhost <ip address>
> fetchmail: Warning: server certificate verification: self signed 
> certificate

Your friend's mailserver has a bogus certificate.
Have him or her fix that; and you'll also need to install his or her
"root certificate" (that (s)he use used to sign the server certificate)
into your SSL certificate directory.

> Afterwards the mails do get downloaded but I am a bit worried that 
> this might take some time and bandwidth on my slow line.

The errors don't slow things down.

> Well, does it? And if yes how can I avoid certificate checking?

You cannot. If you don't want certificates checked, don't use SSL.

> The remote server is qmail.

Well, qmail-pop3d breaks the size information upstream, so expect heaps
of size mismatch warnings.

-- 
Matthias Andree