Sir I got your email address form mailing list Sir Have you any idea tha how smtp-auth is work I installed qmail-1.3 and with the help of life with qmail with vpopmail-4.09 i installed checkpasswod i installed the qmail-smtp-auth pathch sucessfully whlie doing telnet to server on 25 port following are the response telnnet 192.168.1.78 25 Trying 192.168.1.78... Connected to 192.168.1.78. Escape character is '^]'. 220 localhost ESMTP ehlo 250-localhost 250-AUTH=LOGIN 250-PIPELINING 250 8BITMIME but when i am writing mail from:[EMAIL PROTECTED] it is not asking for authentication so have you it allow the user to send the mail so can you help me regarding this problem ? thanks in advance -- Warm Regards, Sunil Sharma Drushti Info-Networks Private Limited 214 Surya Plaza, LBS Road Navi Peth Pune - 411030. Phone : 9120 4007546 Email : [EMAIL PROTECTED] http://www.dinpl.com