auto
/usr/sbin/sendmail
mta-pam
/etc/pam.d/smtp
mta-mailq
/usr/bin/mailq
mta-newaliases
/usr/bin/newaliases
mta-rmail
/usr/bin/rmail
mta-sendmail
/usr/lib/sendmail
mta-mailqman
/usr/share/man/man1/mailq.1.gz
mta-newaliasesman
/usr/share/man/man1/newaliases.1.gz
mta-aliasesman
/usr/share/man/man5/aliases.5.gz
mta-sendmailman
/usr/share/man/man8/sendmail.8.gz
mta-smtpdman
/usr/share/man/man8/smtpd.8.gz

/usr/sbin/sendmail.postfix
60 postfix
/etc/pam.d/smtp.postfix
/usr/bin/mailq.postfix
/usr/bin/newaliases.postfix
/usr/bin/rmail.postfix
/usr/lib/sendmail.postfix
/usr/share/man/man1/mailq.postfix.1.gz
/usr/share/man/man1/newaliases.postfix.1.gz
/usr/share/man/man5/aliases.postfix.5.gz
/usr/share/man/man1/sendmail.postfix.1.gz
/usr/share/man/man8/smtpd.postfix.8.gz