I am running postfix with dovecot POP3/IMAP and MYSQL with SquirrelMail (http://www.linuxmail.info/
my Maildirs are in /home/vmail/domain.com/user/
When i log into squirrel mail using capital letters in login ID, it creates a new domain folder in vmail directory. i.e.
login id firstname.lastname@example.org
goes to /home/vmail/domain.com/user/Maildir which contains the real mail
login id user@Domain.Com
will create new directory /home/vmail/Domain.Com/user/Maildir
Please guide me where to look at to resolve this.