Block exe files with Sendmail

[Len Conrad]

>Or, If you fancied trying the excellent postfix, its as simple as:
>
>-- /usr/local/etc/postfix/block
>
>/^(Content-(Type|Disposition):.*|[[:space:]]*(file)?)name=("[^"]*|{^{:sp
>ace:]]*)\.(exe)[[:>:]]/ REJECT
>
>
>-- /usr/local/etc/postfix/main.cf
>
>Body_checks= regexp:/usr/local/etc/postfix/block

tpcre: is 10's of times more efficient than POSIX regexp:

see the postfix PCRE README

Len

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