8.9 Pitfalls

  • Old programs and scripts that are designed to use -bt mode to test addresses and the like tend to break with each release of sendmail. Fortunately, they are easy to fix if you know the language involved.

  • There is no way to currently define rules on the fly. Consequently, you need to modify a configuration file and run sendmail in rule-testing mode repeatedly until the new rules work.

    Part I: Build and Install
    Part II: Administration
    Part III: The Configuration File