Well, it still doesn't come from the http proxy service of the server. = In that case it comes from the smtp service (sendmail, xmail or similar = and NOT a http proxy).
The point is that the proxy server usually puts some headers at the = beginning of the transmission like X-Forwaded-for, Date etc.... This is = before the EHLO or HELO command. Lars > -----Original Message----- > From: Bill Healy [mailto:healy@;Tahoebasin.com] > Sent: Thursday, October 24, 2002 02:18 > To: '[EMAIL PROTECTED]' > Subject: [xmail] Re: Limit number of 550 Errors in single session? >=20 >=20 >=20 > Why wouldn't you receive a legitimate e-mail from a proxy=20 > server? I have > several customers who have their mail servers on the same=20 > server as the > proxy server. And then there is the case of the mail server=20 > being behind > the proxy server and it's address is being translated so that it looks > like it's coming from the proxy server. What is it that you=20 > want Davide > to do?=20 >=20 > Bill >=20 > >---------- > >From: Lars Troen[SMTP:[EMAIL PROTECTED]] > >Sent: Wednesday, October 23, 2002 5:10 PM > >To: [EMAIL PROTECTED] > >Subject: [xmail] Re: Limit number of 550 Errors in=20 > single session? > > > > > >While we're on this topic it's one new feature I'd like to see that = =3D > >would automatically block some spam. Spammers more and more=20 > frequently =3D > >use http proxy servers for sending spam mail. You'll NEVER=20 > receive a =3D > >legitimate email from a http proxy. What the spam people do=20 > is similar =3D > >to the following sequence: > > > >PUT mail.server.com:25 HTTP/1.0 > >Content-Length: 131 > > > >HELO blahblah > >MAIL FROM: <some_email_address> > >RCPT TO: <your_email_address> > >DATA > >Subject: Viagra > >.... > >... > > > >I have not seen this feature in any mail server yet, but it=20 > would for =3D > >sure be a nice feature.=3D20 > > > >What do you think Davide? > > > >Lars > >> -----Original Message----- > >> From: Henrik Steffen [mailto:steffen@;city-map.de] > >> Sent: Wednesday, October 23, 2002 18:51 > >> To: [EMAIL PROTECTED] > >> Subject: [xmail] Re: Limit number of 550 Errors in single session? > >>=3D20 > >>=3D20 > >>=3D20 > >> I agree. Good thing. I asked the list even earlier about=20 > this issue. > >>=3D20 > >> I do daily notice spammers "harvesting" email-addresses by sending > >> from different ips with different sender-addresses etc. from=3D20 > >> "aaaaa" to "zzzzzz" etc. > >>=3D20 > >> If the number of errors within a given time or within a=3D20 > >> single sessions > >> could be limited, this problem would be solved. > >>=3D20 > >>=3D20 > >> Mit freundlichem Gru=3DDF > >>=3D20 > >> Henrik Steffen > >> Gesch=3DE4ftsf=3DFChrer > >>=3D20 > >> top concepts Internetmarketing GmbH > >> Am Steinkamp 7 - D-21684 Stade - Germany > >> -------------------------------------------------------- > >> http://www.topconcepts.com Tel. +49 4141 991230 > >> mail: [EMAIL PROTECTED] Fax. +49 4141 991233 > >> -------------------------------------------------------- > >> 24h-Support Hotline: +49 1908 34697 (EUR 1.86/Min,topc) > >> -------------------------------------------------------- > >> Ihr SMS-Gateway: JETZT NEU unter: http://sms.city-map.de > >> System-Partner gesucht: http://www.franchise.city-map.de > >> -------------------------------------------------------- > >> Handelsregister: AG Stade HRB 5811 - UstId: DE 213645563 > >> -------------------------------------------------------- > >>=3D20 > >- > >To unsubscribe from this list: send the line "unsubscribe xmail" in > >the body of a message to [EMAIL PROTECTED] > >For general help: send the line "help" in the body of a message to > >[EMAIL PROTECTED] > > > > > - > To unsubscribe from this list: send the line "unsubscribe xmail" in > the body of a message to [EMAIL PROTECTED] > For general help: send the line "help" in the body of a message to > [EMAIL PROTECTED] >=20 >=20 - To unsubscribe from this list: send the line "unsubscribe xmail" in the body of a message to [EMAIL PROTECTED] For general help: send the line "help" in the body of a message to [EMAIL PROTECTED]
