[Dovecot] passdb: password contains illegal chars question

[Timo Sirainen]

On Thu, 2011-05-26 at 11:21 +0200, Torsten Krah wrote:
> Hi,
> 
> some question about passdb backend:
> 
> I'll receive this (using dovecot 2.0.13, pgsql passdb backend) for some users:
> 
> mail dovecot: auth: passdb(account-username,127.0.0.1): Attempted login with 
> password having illegal chars
> 
> Password schema ist crypt-md5. 
> So what "chars" does dovecot not like (why?) and whats the preferred way to fix 
> this?

There are very few illegal characters for password. They're all control
characters, so no real user should be using them: \001, TAB, CR and LF.