HP-UX Mailing Services Administrator's Guide

Configuring and Administering Sendmail
Security
Chapter 2 77
Disabling Privacy Options
You can now disable the ETRN and VERB privacy options by using the
noetrn and noverb flags:
•
PrivacyOptions=noetrn
The noetrn flag disables the SMTP ETRN command, enabling
Sendmail to process its queue in a synchronous mode.
•
PrivacyOptions=noverb
The noverb flag disables the SMTP VERB command, turning off
verbose mode.
For more information on the different privacy options, see the Sendmail
configuration file /etc/mail/sendmail.cf.
Enabling SMTP Authentication Based on RFC 2554
A new option to set AUTH parameter in MAIL FROM command has been
added in the sendmail.cf file. By default, this appears as follows:
#O AuthOptions
Sendmail supports SMTP AUTH as defined in RFC 2554 (SMTP Service
Extension for Authentication), which is based on Simple Authentication
and Security Layer – RFC 2222 (SASL). SMTP authentication provides
a robust tool to control relaying with maximum flexibility. SASL is
WriteStatsToHardLink Allows the status file to be a hard link.
WritesStatsToSymLink Allows the status file to be a symbolic
link.
RunProgramInUnsafeDirPath Allows Sendmail to run programs that are
in writable directories.
RunWritableProgram Allows Sendmail to run programs that are
group- or world-writable.
WorldWritableAliasFile Accept world-writable alias files.
Table 2-2 Option Values for DontBlameSendmail (Continued)
Option Value Description