Qmail Documentation and Utilities
- Single UID Mailbox HOWTO
- A document explaining how to configure Qmail to provide email
services for hundreds, even several hundreds of thousands of
people (email addresses, and POP3 boxes) using a single system
UID (i.e. each account does not need a separate system /etc/passwd
- I have a separate mkpasswd.pl
utility which will assist you in creating crypted passwords if
you need it.
- Mail Quotacheck - Script for
checking a users mail quota before mail delivery.
- SpamFilter - A procmail solution for
trapping SPAM when using .qmail files.
- Logging checkpasswd -
My hacked version of Jedi/Sector
One's checkpasswd for use with the single UID system above.
My version adds extensive logging functionality and delays
against brute force POP3 attacks.
- HELO FQDN -
Patch for qmail-smtpd.c which enforces a '.' character to be included
in the HELO command before accepting email. Whilst not illegal,
RFC compliant servers should send the fqdn, but viruses tend to