Dovecot 2.3.0 TLS

Aki Tuomi aki.tuomi at dovecot.fi
Thu Jan 11 12:20:45 EET 2018



On 11.01.2018 12:18, Hauke Fath wrote:
> All,
>
> our dovecot installation provides a bundle of intermedia CA 
> certificates using the ssl_ca option.
>
> 2.3.0 does not supply the bundle, resulting in various clients either 
> complaining about an unverifiable server cert, or quietly not 
> connecting. The log has
>
> Jan  5 17:01:46 Bounce dovecot: imap-login: Disconnected (no auth 
> attempts in 0 secs): user=<>, rip=XXX, lip=YYY, TLS handshaking: 
> SSL_accept() failed: error:14094416:SSL routines:SSL3_READ_BYTES:sslv3 
> alert certificate unknown: SSL alert number 46, 
> session=<uKK/kAlia+GCUyU5>
>
> We fixed the issue by downgrading to 2.2.33.2.
>
> Cheerio,
> hauke
>

Was the certificate path bundled in the server certificate?

Aki


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