Sendmail, 3rd Edition

Configuration File Feature Reference

In this section we detail each feature available when configuring with the mc configuration method. We list them briefly in Table 4-7, and explain them in greater detail in the text that follows. Note that a comprehensive list of all mc configuration macros and features is available in Appendix A.

Table 4-7. FEATURE( )s available with the mc configuration technique

FEATURE( )	§	Description
accept_unqualified_senders	FEATURE(accept_unqualified_senders)	Allow unqualified MAIL FROM:
accept_unresolvable_domains	FEATURE(accept_unresolvable_domains)	Accept unresolvable domains
access_db	Section 7.5	A database for mail policy
allmasquerade	FEATURE(allmasquerade)	Masquerade recipient as well as sender
always_add_domain	FEATURE(always_add_domain)	Add the local domain even on local mail
authinfo	FEATURE(authinfo)	Use a separate database for authentication information
bestmx_is_local	FEATURE(bestmx_is_local)	Accept best MX record as local if in $=w
bitdomain	FEATURE(bitdomain)	Convert BITNET addresses into Internet addresses (deprecated)
blacklist_recipients	Section 7.5.5	Look up recipients in access database
compat_check	FEATURE(compat_check)	Screen sender/recipient pairs
delay_checks	Section 7.5.6	Check SMTP RCPT TO: first
dnsbl	Section 7.2	Reject based on various DNS blacklists
domaintable	FEATURE(domaintable)	Rewrite old domain as equivalent to new domain
enhdnsbl	Section 7.2.2	Enhanced dnsbl lookups
generics_entire_domain ...