T

TCP wrappers, sendmail command and, Support for TCP Wrappers From Version 8.12 of sendmail

testing

mail aliases, How to Check Mail Aliases

mail configuration, How to Test the Mail Configuration

mail connections to other systems, How to Verify Connections to Other Systems

rule sets, How to Test the sendmail Rule Sets

TLS and SMTP

configuration file options for, Configuration File Options for Running SMTP With TLS

description, Support for Running SMTP With TLS in Version 8.13 of sendmail

macros for, Macros for Running SMTP With TLS

rule sets for, Rule Sets for Running SMTP With TLS

security considerations related to, Security Considerations Related to Running SMTP With TLS

task information, How to Set SMTP to Use TLS

Transport Layer Security (TLS) and SMTP

configuration file options for, Configuration File Options for Running SMTP With TLS

description, Support for Running SMTP With TLS in Version 8.13 of sendmail

macros for, Macros for Running SMTP With TLS

rule sets for, Rule Sets for Running SMTP With TLS

security considerations related to, Security Considerations Related to Running SMTP With TLS

task information, How to Set SMTP to Use TLS

troubleshooting

mail aliases, How to Check Mail Aliases

mail connections to other systems, How to Verify Connections to Other Systems

mail services, Troubleshooting Procedures and Tips for Mail Services (Task Map)

MAILER-DAEMON messages and, Other Sources for Mail Diagnostic Information

rule sets, How to Test the sendmail Rule Sets

undelivered mail, How to Check Mail Aliases

trusted-users file

Contents of the /etc/mail Directory

Changes to Files From Version 8.12 of sendmail