5.7 on page 745). If that equate is missing, or if the value assigned to it
is less than or equal to zero, and if the F=L delivery agent flag (?§20.8.34 on page 775) is set,
the default value that is used becomes the value of SMTPLINELIM. Otherwise, the default
* It is automatically defined if LDAP_OPT_URI is defined by the LDAP include files, which is how OpenLDAP
implements ldap_initialize().
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3.4 Compile-Time Macro Reference | 145
value is 0. This logic is there to support old configuration files that use F=L in place of the
newer L=.
The default for SMTPLINELIM is 990 (defined in RFC821), and that value should not be
changed. Rather, if you need a different line-length limit for a particular delivery agent, you
should use the L= equate when defining it.
3.4.60 SOCKETMAP
Enable use of socket database-map type (V8.13 and above) Tune with confMAPDEF
The SOCKETMAP compile-time macro enables use of the new socket database-map type
(?§23.7). You define SOCKETMAP inside your Build m4 file with a line like this:
APPENDDEF(`confMAPDEF??, `-DSOCKETMAP??)
If you use a vendor-supplied sendmail program, you may check to see whether it includes
SOCKETMAP support by running a command like the following:
% /usr/sbin/sendmail -bt -d0.
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