Puthick, no authentication require for sending mail out because of users knowledge limitation. We would like to solve the problem without implement smtp authentication.
On Fri, Aug 13, 2010 at 11:43 AM, Puthick Hok <hputh...@gmail.com> wrote: > Do you authenticate your customers before accepting their emails for > sending? If you do this, it should stop virus infected computers from > sending emails through your server. > > Puthick > > > Makara wrote: > >> Dear All, >> >> We are running postfix mail server and open relay for our clients to send >> mail out. We use amavisd-new and spamassassin to filter spam mails before >> allow to send it out. >> In some case the messages are spam but spamassassin can not detect that so >> our clients spread the spam mails to the internet. >> >> My idea is to solve the problem is to limit the number of mail send in >> second for each customers, this is the correct way? or any advise on this >> problem? >> >> How to limit number of mail send in postfix / second for each customers? >> >> Thank in advance for all advises. >> >> -- >> The person who loves others will also be loved. >> > > -- The person who loves others will also be loved.
