On Mon, Oct 6, 2008 at 3:45 PM, Robert Lopez <[EMAIL PROTECTED]> wrote: > Thank you Aaron. > > My supervisor asked me to find a configuration change to postfix. He wants > to avoid adding any new agents/programs. It seems the person I replaced had > some bad times when trying to add other programs to the mail gateway > functionality. >
I think you might be out of luck then, postfix does not do everything you ask natively AFAIK. You can limit the number of recipients per message with smtpd_recipient_limit, at least. One out of three aint (that) bad.. ? > ---------- Forwarded message ---------- > From: Aaron Wolfe <[EMAIL PROTECTED]> > Date: Mon, Oct 6, 2008 at 12:55 PM > Subject: Re: outgoing SPAM > To: postfix-users@postfix.org > > > On Mon, Oct 6, 2008 at 2:33 PM, Robert Lopez <[EMAIL PROTECTED]> wrote: >> In the past months there have been instances where pfishing was used to >> get >> account credentials and use the victim's account to send massive >> quantities >> of SPAM. >> >> Is there a way to configure postfix to detect such an event and/or to stop >> such an event from reoccurring? >> Is there a way to limit the number of email a person can sent in a short >> period of time? >> Is there a way to block sending an email if a maximum number of >> recipients >> is exceeded? > > You can do some limits with policy filters. One to limit the number > of mails sent over time is: > > http://www.opennix.com/postfixresources/policy/ratelimit > > You could easily modify this to limit based on other criteria, some > hints are in the docs. I have also read that policyd can do this but > haven't used it myself. > > -Aaron > > >> >> -- >> Robert Lopez >> Unix Systems Administrator >> Central New Mexico Community College (CNM) >> 525 Buena Vista SE >> Albuquerque, New Mexico 87106 >> > > > > -- > Robert Lopez > Unix Systems Administrator > Central New Mexico Community College (CNM) > 525 Buena Vista SE > Albuquerque, New Mexico 87106 >
