goaway ?§24.9.86.2 on page 1066 Much checking for privacy and security.
needexpnhelo ?§24.9.86.5 on page 1067 Require HELO before EXPN.
needmailhelo ?§24.9.86.6 on page 1067 Require HELO before MAIL From:.
needvrfyhelo ?§24.9.86.7 on page 1067 Require HELO before VRFY.
noactualrecipient ?§24.9.86.8 on page 1067 Suppress X-Actual-Recipient DSN lines for privacy (V8.14 and
later).
nobodyreturn ?§24.9.86.3 on page 1066 Prevent RETURN=FULL from returning the body (V8.10 and later).
noetrn ?§24.9.86.4 on page 1066 Disallow all SMTP ETRN commands.
noexpn ?§24.9.86.9 on page 1067 Disallow all SMTP EXPN commands.
noreceipts ?§24.9.86.10 on page 1068 Prevent SUCCESS return receipts.
noverb ?§24.9.86.11 on page 1068 Disallow all SMTP VERB commands.
novrfy ?§24.9.86.12 on page 1068 Disallow all SMTP VRFY commands.
public ?§24.9.86.13 on page 1068 No extra checking for privacy or security.
This is the Title of the Book, eMatter Edition
Copyright ?© 2007 O??™Reilly & Associates, Inc. All rights reserved.
1066 | Chapter 24: The O (Options) Configuration Command
If what is other than one of the keywords listed in the table, sendmail prints the following
message and ignores the unknown word:
readcf: Op line: unknown_word unrecognized
Note that sendmail checks for non-root use of the -C (?§6.7.17 on page 238) and -oQ
(?§24.9.88 on page 1070) command-line switches and dangerous uses of the -f (?§6.
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