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Original message:
To: bill@irs.gov
Hi.
qmail-inject Fill in the complete envelope and header:
| (envelope) from joe@heaven.af.mil to bill@irs.gov
| From: joe@heaven.af.mil
| To: bill@irs.gov
|
| Hi.
V
qmail-queue Store message safely on disk.
Trigger qmail-send.
|
V
qmail-send Look at envelope recipient, bill@irs.gov.
| Is irs.gov in locals? No.
| Is bill@irs.gov in virtualdomains? No.
| Is irs.gov in virtualdomains? No.
| Is .gov in virtualdomains? No.
| Deliver remotely to bill@irs.gov.
V
qmail-rspawn Run qmail-remote.
|
V
qmail-remote Look at host name, irs.gov.
Is irs.gov listed in smtproutes? Yes: ":bigbang.af.mil".
Look up DNS A for bigbang.af.mil and connect by SMTP:
MAIL FROM:<joe@heaven.af.mil>
RCPT TO:<bill@irs.gov>
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