spamassassin unix - n n - - pipe user=nobody argv=/usr/bin/spamc -f -e /usr/sbin/sendmail -oi -f ${sender} ${recipient}

This is where it gets interesting - essentially this statement establishes a content filter - spamc. To filter, Postfix will pipe an email (header and body) to spamc. Which is exactly what we need, except, after having called spamd, spamc would normally just write the email to stdout. However, by using the '-e' option we tell spamc to pipe the output to another program. In this case, we want to re-inject the mail, so we simply call sendmail.

--- Mike Anderson mikeanderson@linux.net wrote:

Hello,

I am using Postfix+Squirrelmail+OpenLDAP+Courier-IMAP and Spamassassin setup all domains on this server are virtual and whenever we receive spam mail Spamassassin detects that as spam and adds ******SPAM****** in the subject line as i have configured and send mail to recipient. now I want to all spam mails which are marked YES by Spamassassin while mail filtering as spam should go to the "Spam" folder under /home/vmail/domains/virtualdomain/user/.Spam ( /home/vmail/domains/virtualdomain/user/Maildir/.Spam -- path depends upon the setup ) as per my information we have to use maildrop to do all filtering, then i can use .mailfilter file to filter every mail whether it is for local or virtual domain so i installed maildrop from source by passing neccessary parameter to it like LDAP support etc. as per the documentation and configured maildrop in /etc/postfix/master.cf (even i tried mailbox_command = /usr/local/maildrop/bin/maildrop still same error) and reloaded postfix but after that i am getting following error

"relay=maildrop, delay=0, status=bounced (user unknown. Command B> output: Invalid user specified. )"

all virtual users are working perfect if i dont use maildrop as a MDA.

I can also add that the error is "Invalid user specified." if I run "maildrop -d virtualdomain.com" as a root account virtualdomain.com is in Base exists. May be maildrop not interacting with LDAP to get the user information or IMAP is not getting either.

I want to get maildrop working for moving spam mails to .Spam folder.

My current setup is as follows :

Fedora core 1

Postfix postfix-2.0.19.tar.gz Courier-IMAP - courier-imap-3.0.2-1.1 Squirrelmail - squirrelmail-1.4.2-1 OpenLDAP - openldap-2.1.22-8 Maildrop

I highly appriciate if someone could beam up light on this.

Thanks in Advance

Regards,

Mike Anderson

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