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 <[EMAIL PROTECTED]>"...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? -- Viktor. Disclaimer: off-list followups get on-list replies or get ignored. Please do not ignore the "Reply-To" header. To unsubscribe from the postfix-users list, visit http://www.postfix.org/lists.html or click the link below: <mailto:[EMAIL PROTECTED]> If my response solves your problem, the best way to thank me is to not send an "it worked, thanks" follow-up. If you must respond, please put "It worked, thanks" in the "Subject" so I can delete these quickly.