sendmail, 4th Edition

Chapter 17, Configure sendmail.cf with m4

The access Database on page 277	The FEATURE(access_db)’s new relaytofulladdress argument allows relaying based on full recipient addresses (8.14)
FEATURE(badmx)—V8.14 and Later on page 291	FEATURE(badmx) rejects a client hostname, the domain part of which resolves to a bad MX record (8.14)
FEATURE(block_bad_helo)—V8.14 and Later on page 292	FEATURE(block_bad_helo) rejects clients who provide a HELO/EHLO argument that is either unqualified or one of the server’s names (8.14)
FEATURE(require_rdns)—V8.14 and Later on page 296	FEATURE(require_rdns) rejects clients whose IP number cannot be properly resolved (8.14)
The LOCAL_UUCP mc Macro on page 609	The LOCAL_UUCP m4 macro adds new rules and rule sets to select a uucp delivery agent (8.13)
FEATURE(conncontrol) on page 619	FEATURE(conncontrol) limits the number of simultaneous connections a client may make to your server (8.13)
FEATURE(nodns) on page 635	Removed FEATURE(nodns) (8.13)
FEATURE(local_lmtp) on page 625	FEATURE(local_lmtp) adds a third, optional argument that supplies the command-line arguments for the mail.local program (8.13)
FEATURE(local_lmtp) on page 625	FEATURE(local_lmtp) the F=f no longer set by default (8.13)
FEATURE(ratecontrol) on page 638	FEATURE(ratecontrol) limits the rate at which clients may connect to your server (8.13)