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20.8 Delivery Agent F= Flags

In this section we detail each delivery agent flag. The complete list is shown in Table 20-19. They are presented in alphabetical order, where lowercase letters precede uppercase letters for each delivery agent flag.

When configuring with the mc technique, examine cf/README to determine which delivery agent flags are set by default for which delivery agents.

Table 20-19. Delivery agent F= flags

Flag

§

Meaning

%

F=%

Hold delivery until ETRN or -qI or -qR or -qS (V8.10 and above)

0

F=0 (zero)

Turn off MX lookups for delivery agent (V8.8 and above)

1

F=1 (one)

Don't send null bytes (V8.10 and above)

2

F=2

Force SMTP even if ESMTP is offered (V8.12 and above)

3

F=3

Extend quoted-printable to EBCDIC (V8.7 and above)

5

F=5

Use the localaddr rule set 5 after local aliasing (V8.7 and above)

6

F=6

Always strip headers to 7 bits (V8.10 and above)

7

F=7

Strip the high bit when delivering (V8.6 and above)

8

F=8

Force EightBitMode=p MIME encoding (V8.7 and above)

9

F=9

Convert 7- to 8-bit if appropriate (V8.8 and above)

:

F=: (colon)

Check for :include: files (V8.7 and above)

|

F=| (vertical bar)

Check for |program addresses (V8.7 and above)

/

F=/ (forward slash)

Check for /file addresses (V8.7 and above)

@

F=@

User can be User Database key (V8.7 and above)

a

F=a

Run extended SMTP protocol (V8.6 and above)

A

F=A

User can be to the LHS of an alias (V8.7 and above)

b

F=b

Add a blank line after message (V8.6 and above)

c

F=c

Exclude comment from $g in headers (V8.6 and above)

C

F=C

Add @domain to recipient

d

F=d

Never enclose route addresses in <> (V8.7 and above)

D

F=D

Need Date: in header

e

F=e

Mark expensive delivery agents

E

F=E

Change extra From into >From

f

F=f

Delivery agent adds -f to argv

F

F=F

Need From: in header

g

F=g

Suppress From:<> (V8.6 and above)

h

F=h

Preserve uppercase in hostname

H

 

Reserved for Mail11v3 (preview headers)

i

F=i

User Database sender rewrite of envelope (V8.7 and above)

I

F=I (uppercase i)

Send SMTP VERB to other site (deprecated)

j

F=j

User Database rewrite of header recipient addresses (V8.7 and above)

k

F=k

Don't check for loops in EHLO command (V8.7 and above)

l

F=l (lowercase L)

Agent performs local (final) delivery

L

F=L

Specify SMTP line limits (obsolete)

m

F=m

Multiple recipients possible

M

F=M

Need Message-ID: in header

n

F=n

Don't use Unix-style From in header

N

 

Reserved for Mail11v3 (returns multistatus)

o

F=o

Always run delivery agent as recipient (V8.7 and above)

p

F=p

Process return path per RFC821 (deprecated)

P

F=P

Need Return-Path: in header

q

F=q

250 versus 252 return for SMTP VRFY (V8.8 and above)

r

F=r

Delivery agent adds -r to argv

R

F=R

Use a reserved TCP port (V8.6 and above)

s

F=s

Strip quotation marks

S

F=S

Assume specified user-id and group-id (Revised for V8.7)

u

F=u

Preserve uppercase for username

U

F=U

Use UUCP-style From line

v

 

Reserved for SysVR4

V

 

Reserved for UIUC

w

F=w

Check for valid user identity (V8.7 and above)

x

F=x

Need Full-Name: in header

X

F=X

Delivery agent needs RFC2821 hidden dot

z

F=z

Deliver with LMTP (V8.9 and above)

Z

F=Z

Apply DialDelay option's sleep (V8.12 and above)

~

 

Reserved for SGI (check for valid home directory)

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