Category Archives: Programming

Material related to computer programming.

Postfix Virtual Mailboxes and Procmail Filtering

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Am interested in getting procmail to work with my Postfix/Courier setup. Am using virtual domains/aliases/mailboxes stored in a MySQL database and a Maildir file system. Have only just begun my investigations. So far I’ve found:

Security considerations for find

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Read about the security considerations for find. Find is a *nix tool for searching though directories for files and filtering them to build lists or run commands.

While I’m here I might as well show you my latest find command, I think it’s a beauty. :)

sudo find . \
  \( \( \( \! -user jj5 \) -or \( \! -group jj5 \) \) \
    -execdir chown jj5:jj5 '{}' \+ \) , \
  \( \( -type d \( \! -perm -u+rwx \) \) \
    -execdir chmod u+rwx '{}' \+ \) , \
  \( \( -type f \( \! -perm -u+rw \) \) \
    -execdir chmod u+rw '{}' \+ \)