D. J. Bernstein
Internet mail
Frequently asked questions

How to solve problems

What should I do if I have trouble with qmail?

Answer: Read the documentation! Most questions are answered by

Your system includes a wide variety of monitoring tools to show you what qmail is doing: If all else fails, you could try asking for help on the qmail mailing list. Your message should give complete answers to the following three questions:
  1. What exactly did you do?
  2. What exactly did the computer do?
  3. What exactly did you expect the computer to do?
For checkpassword and other POP password checkers you should instead try the password mailing list. For serialmail and other part-time-dialup questions you should instead try the serialmail mailing list.
Is there commercial support for qmail?

Answer: Yes. See www.qmail.org.

Where can I find technical information about Internet mail?

Answer: cr.yp.to/im.html explains the Internet mail infrastructure. cr.yp.to/smtp.html explains the Simple Mail Transfer Protocol. cr.yp.to/immhf.html explains the Internet mail message header format.