This is the README for pam_mail
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This PAM module tells the User that he has new/unread email.
Options for:
auth: for authentication it provides pam_authenticate() and
pam_setcred() hooks.
"debug" write more information to syslog
"dir=maildir" users mailbox is maildir/<login>
"hash=count" mail directory hash depth
"close" print message also on logout
"nopen" print message not on login
"noenv" don't set the MAIL environment variable
"empty" also print message if user has no mail
