D. J. Bernstein
Internet mail
qmail
Frequently asked questions
Orientation
How many people use qmail?
What are the most common reasons for using qmail?
Is qmail compatible with sendmail?
What operating systems does qmail support?
Is there really a cash reward for security holes?
Installation
How do I find the qmail package?
How do I install qmail?
How do I switch slowly from sendmail to qmail?
Why is qmail installed under /var?
How to solve problems
What should I do if I have trouble with qmail?
Is there commercial support for qmail?
Where can I find technical information about Internet mail?
Controlling the appearance of outgoing messages
How do I set up user masquerading?
How do I set up host masquerading?
How do I set up Mail-Followup-To automatically?
Routing outgoing messages
How do I set up a separate queue for a SLIP/PPP link?
How do I send local messages to another host?
How do I set up a null client?
How do I send outgoing mail through UUCP?
How do I deal with ``CNAME lookup failed temporarily''?
Routing incoming messages by host
How do I receive mail for another host name?
How do I set up a virtual domain?
How do I set up several virtual domains for one user?
How do I organize a big network?
Routing incoming messages by user
How do I set up a mailing list?
How do I create aliases with dots?
How do I use sendmail's .forward files with qmail?
How do I use sendmail's /etc/aliases with qmail?
How do I make qmail defer messages during NFS or NIS outages?
How do I change which account controls an address?
How do I use procmail with qmail?
How do I use elm's filter with qmail?
How do I forward unrecognized usernames to another host?
Setting up servers
How do I run qmail-smtpd under tcpserver?
How do I allow selected clients to send outgoing messages through my SMTP server?
How do I fix up messages from dumb clients?
How do I send messages by SMTP to an authorized dialup host when it makes an SMTP connection?
How do I set up qmail-pop3d?
How do I set up qmail-qmqpd?
How do I set up qmail-qmtpd?
How do I record all incoming SMTP traffic?
Configuring UNIX MUAs to work with qmail
How do I make pine use qmail-inject instead of SMTP?
How do I make MH use qmail-inject instead of SMTP?
How do I make BSD mail/mailx generate a Date with the local time zone?
How do I stop Sun's dtcm from hanging?
Administration
How do I tell qmail to read locals and virtualdomains?
How do I safely stop qmail-send?
How do I manually run the queue?
How do I run a supervised copy of qmail?
How do I avoid syslog?
How do I rejuvenate a message?
How do I keep a copy of all incoming and outgoing mail messages?
Reliability
What types of filesystems are safe for mail?
How do I back up and restore the queue disk?
Efficiency
How do I tell qmail to do more deliveries at once?
Does qmail scale to extremely large queues?
Does qmail back off from dead hosts?