Victor Duchovni wrote: > On Thu, Dec 11, 2008 at 02:32:52PM -0300, Gerardo Herzig wrote: > >> Hi all. Im facing a ugly situation. Some spammer is using the webmail to >> send spam. The thing is, hes using an actual account/password (from my >> server)to authenticate agains the webmail, and then sending mail from >> "UK LOTTO <i...@uklotto.com>"...crap!! >> >> Since i have >> smtpd_recipient_restrictions = permit_sasl_authenticated, >> permit_mynetworks, reject_unauth_destination >> >> This dude is authenticated, so...what can i do? Cant i restrict or check >> the address which is sending and forbidde those which are not of my domain? > > Change the password for the compromised account. Or do you offer free > sign-up? >
Well, yes, that an option. But seems like a partial solution. About the postfix configuration: There is anything i can do to avoid an account @uklotto (or whatever is not my domain) send mail trough my server? Crap i feel not :( Thanks for the suggestion. Gerardo