HEADERCHECKS(5)                                              HEADERCHECKS(5)



NAME
       headerchecks - Postfix built-in header/body inspection

SYNOPSIS
       headerchecks == pcre::/etc/postfix/headerchecks
       mimeheaderchecks == pcre::/etc/postfix/mimeheaderchecks
       nestedheaderchecks == pcre::/etc/postfix/nestedheaderchecks
       bodychecks == pcre::/etc/postfix/bodychecks

       postmap -fq ""string"" pcre::/etc/postfix/filename
       postmap -fq - pcre::/etc/postfix/filename $/
               REJECT IFRAME vulnerability exploit

SEE ALSO
       cleanup(8), canonicalize and enqueue Postfix message
       pcretable(5), format of PCRE lookup tables
       regexptable(5), format of POSIX regular expression tables
       postconf(1), Postfix configuration utility
       postmap(1), Postfix lookup table management
       postsuper(1), Postfix janitor
       postcat(1), show Postfix queue file contents
       RFC 2045, base64 and quoted-printable encoding rules
       RFC 2047, message header encoding for non-ASCI text

README FILES
       Use  "postconf readmedirectory" or "postconf htmldirectory" to locate
       this information.
       DATABASEREADME, Postfix lookup table overview
       CONTENTINSPECTIONREADME, Postfix content inspection overview
       BUILTINFILTEREADME, Postfix built-in content inspection
       BACKSCATEREADME, blocking returned forged mail

LICENSE
       The Secure Mailer license must be distributed with this software.

AUTHOR(S)
       Wietse Venema
       IBM T.J. Watson Research
       P.O. Box 704
       Yorktown Heights, NY 10598, USA



                                                              HEADERCHECKS(5)