B.20 Chapter 20

discard

The discard delivery agent accepts then discards email messages (V8.9 and later).

/= (forward slash)

The /= delivery-agent equate defines a chroot(8) directory (V8.10 and later).

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Delivery can now be made to Unix domain sockets (V8.10 and later).

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It is now possible to delete from, add to, and modify delivery-agent flags using the MODIFY_MAILER_FLAGS mc command (V8.10 and later).

m=

The m= delivery-agent equate limits the number of envelopes that can be delivered during any single SMTP or LMTP connection (V8.10 and later).

P=

P=[TCP] is fully deprecated as of V8.10, and disallowed as of V8.12.

Q=

The Q= delivery-agent equate specifies which queue group to use (V8.12 and later).

r=

The r= delivery-agent equate limits the number of recipients allowed per envelope (V8.12 and later).

W=

The W= delivery-agent equate sets the timeout for a delivery agent to complete delivery (V8.10 and later).

F=%

The F=% delivery-agent flag specifies that delivery should be held until an ETRN command or a -q[IRS] run (V8.10 and later).

F=1 (one)

The F=1 delivery-agent flag specifies that null bytes should be removed from headers (V8.10 and later).

F=2

The F=2 delivery-agent flag forces SMTP even if ESMTP is offered (V8.12 and later).

F=6

The F=6 delivery-agent flag requires the high bit to always be stripped from headers (V8.10 and later).

F=z

The F=z delivery-agent flag requires delivery to use the LMTP protocol (V8.9 and later).

F=Z

The F=Z delivery-agent flag causes sendmail to honor the DialDelay option and allow a second connection attempt following an initial connection failure (V8.12 and later).