sendmail, 4th Edition

Show Delivery Agents with =M

The =M rule-testing command causes sendmail to print its list of delivery agents. This command takes no argument. Note that in the following example, the lines are wrapped to fit on the page:

> =M mailer 0 (prog): P=/bin/sh S=EnvFromL/HdrFromL R=EnvToL/HdrToL M=0 U=0:0 F=9DFMeloq su L=0 E=\n T=X-Unix/X-Unix/X-Unix r=100 A=sh -c $u mailer 1 (*file*): P=[FILE] S=parse/parse R=parse/parse M=0 U=0:0 F=9DEFMPloqsu L=0 E=\n T=X-Unix/X-Unix/X-Unix r=100 A=FILE $u mailer 2 (*include*): P=/dev/null S=parse/parse R=parse/parse M=0 U=0:0 F=su L=0 E= \n T=<undefined>/<undefined>/<undefined> r=100 A=INCLUDE $u mailer 3 (local): P=/usr/lib/mail.local S=EnvFromSMTP/HdrFromL R=EnvToL/HdrToL M=0 U=0:0 F=/59:@ADFMPSXflmnqswz| L=0 E=\r\n T=DNS/RFC822/SMTP r=100 A=mail.local -l mailer 4 (smtp): P=[IPC] S=EnvFromSMTP/HdrFromSMTP R=EnvToSMTP/HdrFromSMTP M=0 U=0: 0 F=DFMXmu L=990 E=\r\n T=DNS/RFC822/SMTP r=100 A=TCP $h mailer 5 (esmtp): P=[IPC] S=EnvFromSMTP/HdrFromSMTP R=EnvToSMTP/HdrFromSMTP M=0 U=0 :0 F=DFMXamu L=990 E=\r\n T=DNS/RFC822/SMTP r=100 A=TCP $h mailer 6 (smtp8): P=[IPC] S=EnvFromSMTP/HdrFromSMTP R=EnvToSMTP/HdrFromSMTP M=0 U=0 :0 F=8DFMXmu L=990 E=\r\n T=DNS/RFC822/SMTP r=100 A=TCP $h mailer 7 (dsmtp): P=[IPC] S=EnvFromSMTP/HdrFromSMTP R=EnvToSMTP/HdrFromSMTP M=0 U=0 :0 F=%DFMXamu L=990 E=\r\n T=DNS/RFC822/SMTP r=100 A=TCP $h mailer 8 (relay): P=[IPC] S=EnvFromSMTP/HdrFromSMTP R=MasqSMTP/MasqRelay M=0 U=0:0 F=8DFMXamu L=2040 E=\r\n T=DNS/RFC822/SMTP r=100 A=TCP ...