SSL Error

[Aki Tuomi]

openssl s_client -connect mail.example.com:143 -starttls imap

would probably work much better.

Aki

> On 15/05/2020 20:10 Brandon Roa <brandon at bitlagoon.com> wrote:
> 
>  
> Oops, on second glance I don't think that error is actually directly 
> related to what I was doing.
> 
> I had been testing to see if the certificate chain was installed 
> properly by running
> 
> openssl s_client -connect mail.example.com:143
> 
> But there was no certificate reported in stdout. I thought that error 
> was related to my test command, but I realize now it's not. I'm still 
> confused, though, because I followed all the steps for installing 
> configuring SSL (https://wiki.dovecot.org/SSL/DovecotConfiguration) and 
> it just doesn't seem to have worked.
> 
> On 5/14/2020 9:38 PM, Aki Tuomi wrote:
> >> On 15/05/2020 02:36 Brandon Roa <brandon at bitlagoon.com> wrote:
> >>
> >>   
> >> I just installed a certificate on my mail server to Postfix and Dovecot.
> >> The certificate is functional on Postfix, but for some reason I keep
> >> getting this error. Any suggestions on how to fix it?
> >>
> >> mail dovecot: imap-login: Error: SSL: Stacked error: error:1408A10B:SSL
> >> routines:ssl3_get_client_hello:wrong version number
> >>
> >>
> >> Here is my configuration:
> >>
> >> # 2.2.22 (fe789d2): /etc/dovecot/dovecot.conf
> >> # Pigeonhole version 0.4.13 (7b14904)
> >> # OS: Linux 4.4.0-45-generic x86_64 Ubuntu 16.04.6 LTS ext4
> > This is very dated version of dovecot, you might want to consider using e.g. https://repo.dovecot.org for new version. This is not necessarely the cause here.
> >
> > For the SSL error, can you describe more on what are you doing when you get the error? It looks a lot like trying plaintext connection to SSL port.
> >
> > Aki