T

TCP wrappers

sendmail command andSupport for TCP Wrappers From Version 8.12 of sendmail

testing

mail aliasesHow to Check Mail Aliases

mail configurationHow to Test the Mail Configuration

mail connections to other systemsHow to Verify Connections to Other Systems

rule setsHow to Test the sendmail Rule Sets

TLS and SMTP

configuration file options forConfiguration File Options for Running SMTP With TLS

descriptionSupport for Running SMTP With TLS in Version 8.13 of sendmail

macros forMacros for Running SMTP With TLS

rule sets forRule Sets for Running SMTP With TLS

security considerations related toSecurity Considerations Related to Running SMTP With TLS

task informationHow to Set SMTP to Use TLS

Transport Layer Security (TLS) and SMTP

configuration file options forConfiguration File Options for Running SMTP With TLS

descriptionSupport for Running SMTP With TLS in Version 8.13 of sendmail

macros forMacros for Running SMTP With TLS

rule sets forRule Sets for Running SMTP With TLS

security considerations related toSecurity Considerations Related to Running SMTP With TLS

task informationHow to Set SMTP to Use TLS

troubleshooting

mail aliasesHow to Check Mail Aliases

mail connections to other systemsHow to Verify Connections to Other Systems

mail servicesTroubleshooting Procedures and Tips for Mail Services (Task Map)

MAILER-DAEMON messages andOther Sources for Mail Diagnostic Information

rule setsHow to Test the sendmail Rule Sets

undelivered mailHow to Check Mail Aliases

trusted-users file

Changes to Files From Version 8.12 of sendmail

Contents of the /etc/mail Directory