R

-request suffix and mailbox namesConventions for the Format of Mailbox Names

rbl FEATURE() declarationUnsupported FEATURE Declarations

relay–domains fileContents of the /etc/mail Directory

relay_mail_from FEATURE() declarationAdditional and Revised FEATURE Declarations

remote_mode FEATURE() declarationUnsupported FEATURE Declarations

rmail commandContents of the /usr/bin Directory

rule sets

testingHow to Test the sendmail Rule Sets

version 8.12 of sendmailAdditional Rule Sets From Version 8.12 of sendmail

running SMTP with TLS

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