Chapter 24. The O (Options) Configuration Command
Options affect the operation of the sendmail
program. Options can be specified in the command line, in the
sendmail.cf file, and in the
mc configuration file.
Most options are preset in your sendmail.cf file
in a way that is likely to be appropriate for your site. But some
sites, especially those that have high mail loads or are connected to
many different networks, will need to tune options for their unique
needs.
What’s New with V8.13
V8.13 sendmail has modified 12 existing options
and introduced 6 new ones.
The existing
AuthOptionoption (24.9.6[3ed]) now has a newmflag (Section 24.1.1 [V8.13]) that requiressendmailto use mechanisms that support mutual authentication.The existing
ConnectionCacheSizeandConnectionCacheTimeoutoptions now affect delivery agents that useP=[LPC]for delivery (Section 24.1.2 [V8.13]).The existing
CheckpointIntervaloption (24.9.13[3ed]) can no longer have its value raised on the command line by nontrusted users (Section 24.1.3 [V8.13]).The existing
DaemonPortOptions(24.9.24[3ed]) option’s newInputMailFilters=equate allows you to specify which Milters should processes arriving mail on each listening port (Section 24.1.4 [V8.13]).The existing
DaemonPortOptions(24.9.24[3ed]) option’s existingModifiers=equate offers a new modifiersthat tells sendmail to use SMTP over SSL (Section 24.1.5 [V8.13]).The existing
ErrorMode(24.9.44[3ed]) option’swritemode has been deprecated and removed ( ...