The following table describes new delivery agent flags, which by default are not set. These single-character flags are Boolean. You can set or unset a flag by including or excluding it in the F= statement of your configuration file, as shown in the following example.
Mlocal, P=/usr/lib/mail.local, F=lsDFMAw5:/|@qSXfmnz9, S=10/30, R=20/40, Mprog, P=/bin/sh, F=lsDFMoqeu9, S=10/30, R=20/40, D=$z:/, Msmtp, P=[IPC], F=mDFMuX, S=11/31, R=21, E=\r\n, L=990, Mesmtp, P=[IPC], F=mDFMuXa, S=11/31, R=21, E=\r\n, L=990, Msmtp8, P=[IPC], F=mDFMuX8, S=11/31, R=21, E=\r\n, L=990, Mrelay, P=[IPC], F=mDFMuXa8, S=11/31, R=61, E=\r\n, L=2040, |
Flag |
Description |
---|---|
% |
Mailers that use this flag do not attempt delivery to the initial recipient of a message or to queue runs unless the queued message is selected by using an ETRN request or one of the following queue options: -qI, -qR, or -qS. |
1 |
This flag disables the ability of the mailer to send null characters (for example, \0). |
2 |
This flag disables the use of ESMTP and requires that SMTP be used instead. |
6 |
This flag enables mailers to strip headers to 7 bit. |