What is the default configuration file used by the sendmail command?（）A、/etc/rc/rc.mailB、/etc/mail.configC、/etc/sendmail.configD、/etc/mail/sendmail.cf
题目
What is the default configuration file used by the sendmail command?（）
- A、/etc/rc/rc.mail
- B、/etc/mail.config
- C、/etc/sendmail.config
- D、/etc/mail/sendmail.cf