qmail-smtpd Receive message by SMTP from another host:
| MAIL FROM:<bill@irs.gov>
| RCPT TO:<joe@heaven.af.mil>
|
| Is $RELAYCLIENT set? No.
| Is heaven.af.mil in rcpthosts? Yes.
| Accept RCPT.
V
qmail-queue Store message safely on disk.
Trigger qmail-send.
|
V
qmail-send Look at envelope recipient, joe@heaven.af.mil. | Is heaven.af.mil in locals? Yes. | Deliver locally to joe@heaven.af.mil. V
qmail-lspawn ./Mailbox
| Look at mailbox name, joe.
| Is joe listed in qmail-users? No.
| Is there a joe account? Yes.
| Is joe's uid nonzero? Yes.
| Is ~joe visible to the qmailp user? Yes.
| Is ~joe owned by joe? Yes.
| Give control of the message to joe.
| Run qmail-local.
V
qmail-local joe ~joe joe '' '' heaven.af.mil bill@irs.gov ./Mailbox
Does ~joe/.qmail exist? No.
Write message to ./Mailbox in mbox format.