Sendmail, 3rd Edition

Name

smtp, etc.

Synopsis

The five smtp delivery agents all use TCP to connect to other hosts. They are the smtp, esmtp, smtp8, dsmtp, and relay delivery agents. All five start with the same basic defaults, which are shown in Table 20-14. Support for all five is included in your mc configuration file like this:

MAILER(`smtp')

Table 20-14. Basic defaults for the smtp delivery agents

Macro	§	Default
SMTP_MAILER_ARGS	See this section	A=TCP $h
SMTP8_MAILER_ARGS	See this section	A=TCP $h
ESMTP_MAILER_ARGS	See this section	A=TCP $h
DSMTP_MAILER_ARGS	See this section	A=TCP $h
RELAY_MAILER_ARGS	See this section	A=TCP $h
SMTP_MAILER_CHARSET	C=	no C= default
RELAY_MAILER_CHARSET	C=	no C= default
none	E=	E=\r\n
SMTP_MAILER_FLAGS	See this section	F=mDFMuX ← smtp
SMTP_MAILER_FLAGS	See this section	F=mDFMuXa ← esmtp
SMTP_MAILER_FLAGS	See this section	F=mDFMuX8 ← smtp8
SMTP_MAILER_FLAGS	See this section	F=mDFMuXa% ← dsmtp
RELAY_MAILER_FLAGS	See this section	F=mDFMuXa8
none	L=	L=990 ← smtp, esmtp, smtp8, dsmtp
none	L=	L=2040 ← relay
SMTP_MAILER_MAX	See this section	no M= default ← all except relay
SMTP_MAILER_MAXMSGS	m=	no m= default
RELAY_MAILER_MAXMSGS	m=	no m= default
none	See this section	P=[IPC]
SMTP_MAILER_MAXRCPTS	r=	no r= default
none	R=	R=EnvToSMTP/HdrFromSMTP ← smtp, etc.
none	R=	R=MasqSMTP/MasqRelay ← relay
none	S=	S=EnvFromSMTP/HdrFromSMTP
none	T=	T=DNS/RFC822/SMTP
SMTP_MAILER_QGRP	Q=	no Q= default