[Dovecot] failed authentication with digest-md5 (rc9)

[LeVA]

2006. October 14. 12:51, LeVA:
> Hi!
>
> I'm using rc9 and DIGEST-MD5 passwords. Sometimes it works, sometimes
> it's not...
>
> When failed, I get this in the logs:
>
> 12:45:11 Info: auth(default): client in: AUTH 1 DIGEST-MD5 \
> service=POP3 secured lip=<lip> rip=<rip> resp=<something_long>
> 12:45:11 Info: auth(default): client out: CONT 1 <something_long>
> 12:45:11 Info: auth(default): client in: CONT 1 <something_long>
> 12:45:11 Info: auth(default): digest-md5(?,<rip>): Unknown QoP value
> 12:45:12 Info: auth(default): client out: FAIL 1
> 12:45:12 Info: pop3-login: Aborted login: method=DIGEST-MD5,
> rip=<rip>, lip=<lip>, TLS

Would someone at least tell me what is this message mean, please? What 
is a QoP value?

>
>
> Using KMail 1.9.4.
>
> Daniel

-- 
LeVA