[Dovecot] SSL / TLS Problem

[Charles Marcus]

Leander S. wrote:
>  Am 23.07.10 02:59, schrieb Andrew Bruce:
>> eel free to post this to the running conversation on the list (strip my
>> email address from this email though please)
> The issue was a case sensitive typo. When Setting up your Thunderbird
> don't type in eMail Addresses & Usernames including uppercase letters!
> 
> DON'T: User at Domain.tld
> BUT therefore: user at domain.tld

Better, when checking for valid recipients, always lowercase the input
befopre doing so.

Dovecot uses %Lu (the 'L' means 'lowercase')...

> I faced that Problem only when I was using dyndns as domain service
> provider.

Dunno about dyndns, but usernames should never be case-sensitive,
passwords always.