> but unfortunately I get per day nearly 100 useles CarbonCopies and now 28.000 backscatters plus regular spam of 3-6000.
What do you mean by "get"? You actually deliver those backscatters to your users? Or do you detect them quite easily and drop the connection during SMTP? Just curious... :-) -- Seceidos GmbH&Co. KG | Tel: +49 (6151) 66843-43 Robert-Bosch-Str. 7 | Fax: +49 (6151) 66843-52 64293 Darmstadt/Germany | http://www.seceidos.de/ | SIP: [EMAIL PROTECTED] Skype: jan-peter.koopmann E-Mail: [EMAIL PROTECTED] HRA 7206, Amtsgericht Darmstadt persönlich haftende Gesellschafterin: Seceidos Verwaltungs GmbH, Grafrath HRB 158903, Amtsgericht München Geschäftsführer: Robert Hochrein, Jan-Peter Koopmann Seceidos FZE | Tel: +971 (4) 3197741 Emirates Towers, Level 41 | Fax: +971 (4) 3197742 Sheikh Zayed Road | P.O. Box 31303 | SIP: [EMAIL PROTECTED] Dubai, UAE http://www.seceidos.com/ Skype: jan-peter.koopmann E-Mail: [EMAIL PROTECTED]