In this chapter, we introduce
sendmail. The world of
sendmail is vast, due primarily to the configurability of
sendmail. The extent of its configurability can be demonstrated by the expanse of the documentation available for
sendmail. The bible for
sendmail is undoubtedly the O'Reilly and Associates book (called
sendmail, funnily enough) that currently (in its 3rd edition) runs to a weighty 1,232 pages. ...