D

delay_checks FEATURE() declarationAdditional and Revised FEATURE Declarations

delivery agent flags from version 8.12

sendmail commandAdditional Delivery Agent Flags From Version 8.12 of sendmail

desktop-publishing files

mailbox space requirements andMail Server

disabling

.forward filesHow to Disable .forward Files

DNS name service

sendmail program andHow to Use DNS With sendmail

dnsbl FEATURE() declaration

Unsupported FEATURE Declarations

Additional and Revised FEATURE Declarations

domain directoryContents of the /etc/mail/cf Directory Used for Mail Services

domains

subdomains andDomains and Subdomains

dot (.)

in domain addressesTypical Format for Mail Addresses

in mailbox namesConventions for the Format of Mailbox Names