[CentOS] Certificates

[Robert Heller]

At Fri, 31 Aug 2018 21:38:13 +0200 CentOS mailing list <centos at centos.org> wrote:

> 
> On 31.08.2018 21:31, Michael Schumacher wrote:
> 
> > certbot works only with ports 80 or 443? Can lego work with with IMAP
> > ports like 143 or 993? The documentation is not very clear.
> 
> basically - independent of the client - letsencrypt will only support
> http/https or dns based challenges.
> 
> so - if you want to get certificates for an imap only server, you will
> have to setup an webserver for the challenge. or deal with your dns server.

Yes, this works.  I use mail.deepsoft.com for both imap and SquirrelMail and 
use the same cert for both SquirrelMail/Apache and dovecot.

> 
> best regards
> Ulf
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>                                                   

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