Sendmail FAQ - Frequently asked questions about sendmail. Sendmail Inc. - Commercial Sendmail products and services. A First Guide for E-mail Installation - A draft about the installation/configuration of sendmail. Elandsys.com: Sendmail - Features a tutorial on how to install and configure it. MeTA1 - MeTA1 is a successor of Sendmail X. Release notes, documentation, source code and contact information. Tek-Tips Sendmail Forum - Technical support forums and mutual help system for computer professionals. Selling and recruiting forbidden. Sendmail Community - Former Sendmail Consortium. The open-source version of Sendmail SMTP server. Downloads and documentation.