IMAP proxy for Exchange - encrypted backend Communication?

[Sami Ketola]

> On 5 Jan 2017, at 22.56, tom <posturne at gmail.com> wrote:
> 
> Hello,
> 
> I try to setup a IMAP proxy for my old Exchange server.
> Running Dovecot v2.x on Centos 7.
> 
> So far I follow http://wiki2.dovecot.org/HowTo/ImapcProxy and it seem
> to work. The only but major  thing is with this setup - the
> communication between proxy and backend is not encrypted. :(
> 
> To fix this, I changed the config and add:
> imapc_ssl=imaps
> imapc_port=993
> 
> but it doesnt work, because of verify failure of the self signed
> backend certificate:

you need to set:

imapc_ssl_verify = no

Regards,
Sami