اولی را زدم(cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
::1 localhost6.localdomain6 localhost6
184.154.73.39 bd.ir
184.154.73.39 sabadata.ir


دستور دوم را زدم telnet localhost 143)
Trying 174.120.120.151...
telnet: connect to address 174.120.120.151: Connection refused
telnet: Unable to connect to remote host: Connection refused

دستور سوم را زدم /usr/sbin/imapd
-bash: /usr/sbin/imapd: No such file or directory