If a user could kill sendmail during a
rebuild, the aliases database could be left in an incomplete state, resulting in possible lost
and misdirected email. As a consequence, this AutoRebuildAliases option is deprecated.
Although it is present in V8.10 and V8.11, you should not use it. This option has been
eliminated since V8.12.
m Require the use of mechanisms that support mutual authentication. (Server only) (V8.13 and above)
p Don??™t permit mechanisms to be used if they are susceptible to simple passive attack (that is, disallow use of
PLAIN and LOGIN), unless a security layer is already active (as, for example, provided by STARTTLS). (Server only)
T The opposite of A. (pre-V8.12 only, client only)
y Don??™t permit the use of any mechanism that allows anonymous login. (Server only)
Table 24-13. AuthOptions character settings (continued)
Character Meaning
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24.9 Alphabetized Options | 979
Prior to V8.10 sendmail, the need to auto-rebuild the aliases database was determined by
comparing the modification time of the aliases source file, as defined by the AliasFile
option (?§24.9.1 on page 970), to the modification time of the corresponding aliases.pag
and aliases.dir, or aliases.db, database files. If the source file was newer and if this
AutoRebuildAliases option was set, sendmail attempted to rebuild the aliases database.
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