Hi Virgilio,

Click on the link below to visit the Sendmail home page:

http://www.sendmail.org/

You might try Webmin which is a GUI to many Linux server services including sendmail. Webmin can be downloaded here:

http://www.webmin.com/

Here is an old sendmail HOWTO that may help fill in some of the blanks.

http://info.ccone.at/INFO/RH-sendmail-HOWTO/

Regards,

LelandJ