There is no debugging command-line switch to display defaults
witha precompiled sendmail. If you need to change any of these default settings, you must
download and build sendmail yourself.
MAXRULERECURSION 50 sendmail/conf.c Rule set recursion
MAXRWSETS 200 sendmail/conf.h Number of rule sets
MAXSHORTSTR 203 sendmail/conf.h Length of a short string
MAXSYMLINKS 32 sendmail/conf.h Number of symbolic links in a path
MAXTIMEOUT (4 * 60) sendmail/srvrsmtp.c Timeout for slowdowns (V8.12 and above)
MAXTOCLASS 8 sendmail/conf.h Message timeout classes
MAXUSERENVIRON 100 sendmail/conf.h Environment items per delivery agent
MAXVRFYCOMMANDS 6 sendmail/srvrsmtp.c VRFY/EXPNs before slowdown (V8.12 and above)
a Don??™t change this maximum. It is defined by an RFC.
Table 3-8. Compile-time macros for maximum bad SMTP commands
Compile-time macro Default Maximum
MAXBADCOMMANDS 25 Unrecognized SMTP commands
MAXETRNCOMMANDS 8 ETRN commands
MAXHELOCOMMANDS 3 HELO and EHLO commands
MAXNOOPCOMMANDS 20 NOOP commands
MAXTIMEOUT (4 * 60) Sleep time (seconds) after too many bad commands
MAXVRFYCOMMANDS 6 VRFY commands
Table 3-7. Compile-time macros to redefine maximums (continued)
Compile-time macro Default File Maximum
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