Intermittent IMAP Login failures - about 25% fail

[Mobile Phone]

Validating /etc/passwd & shadow:
/usr/sbin/pwck

On 8 April 2016 at 13:04, <lists at lazygranch.com> wrote:

> I'm not getting a hit on "Dovecot pwck". Can you elaborate.
>
>   Original Message
> From: Mobile Phone
> Sent: Friday, April 8, 2016 3:20 AM
> To: Dovecot Mailing List
> Reply To: support at eceb.co.uk
> Subject: Re: Intermittent IMAP Login failures - about 25% fail
>
> SOLVED: Should anyone else run into this and debugging shows no issues,
> just random dovecot logins fails - there was a bad username stored.
> "pwck" showed it up.
> Only cost me 3 days
>
> On 7 April 2016 at 17:24, Timo Sirainen <tss at iki.fi> wrote:
>
> > On 07 Apr 2016, at 19:02, Mobile Phone <cell at eceb.co.uk> wrote:
> > >
> > > pam(prtg.08dir,91.91.91.91): pam_authenticate() failed: Authentication
> > > failure (password mismatch?) (given password:
> > YesThisWasTheCorrectPassword)
> > ..
> > > Why it this bouncing 25% + of IMAP AUTH LOGINs?
> >
> > PAM said that login wasn't allowed. PAM can have all kinds of plugins
> that
> > can do all kinds of things. Maybe you have enabled some PAM plugin that
> > denies the user's access even if the password is correct. Unfortunately
> > there's no way to enable debugging for PAM. Try simplifying your PAM
> setup,
> > or if you can't figure out anything else switch to passdb shadow.
> >
> >
>
>