[root@img_jump ~]# ps -ef | grep mail
root 1793 1780 0 09:15 ? 00:00:00 /usr/sbin/sendmail -FCronDaemon -i -odi -oem -oi -t -f root
root 1855 1568 0 09:15 pts/0 00:00:00 grep --color=auto mail
[root@img_jump ~]# cat /etc/mail
mail/ mailcap mail.rc
[root@img_jump ~]# cat /etc/mail.rc |grep -vE ‘#|$’
set hold
set append
set ask
set crt
set dot
set keep
set emptybox
set indentprefix="> "
set quote
set sendcharsets=iso-8859-1,utf-8
set showname
set showto
set newmail=nopoll
set autocollapse
set markanswered
ignore received in-reply-to message-id references
ignore mime-version content-transfer-encoding
fwdretain subject date from to
set bsdcompat
set from=aaa@163.com smtp=smtp.163.com
set smtp-auth-user=aaa@163.com smtp-auth-password=zabbixx
set smtp-auth=login