[Dovecot] auth_username_chars - special chars

[Timo Sirainen]

On 25.11.2010, at 8.14, Hajo Locke wrote:

> auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@üÜöÖäÄ
> 
> for some reasons more special chars in username are needed. in fact the % char is meant.
> Is this recommend to use with mysql? should i expect some problems when using chars with special function within mysql?

It should be safe to use any characters. This setting is more of just an extra check just to be sure nothing bad is attempted.