pop3&&IMAP4 login详解程序员

登录pop3检查邮件数量
#!/bin/bash 
mailserver=pop3.test.com 
user='username' 
password='pass' 
exec 9<>/dev/tcp/$mailserver/110 
read -r temp <&9  
echo "$temp" 
echo "user $user" >&9 
read -r temp <&9  
echo "$temp" 
echo "pass $password" >&9 
read -r temp <&9  
echo "$temp" 
echo "stat" >&9 
read -r temp <&9  
echo "$temp"

clean.sh 删除邮件
#!/bin/sh 
username="[email protected]"; 
password="password"; 
MAX_MESS=$1 
[ $# -eq 0 ] && exit 1 || : 
sleep 2 
echo USER $username 
sleep 1 
echo PASS $password 
sleep 2 
for (( j = 1 ; j <= $MAX_MESS; j++ )) 
do 
echo DELE $j 
sleep 1 
done 
echo QUIT

删除邮件

$ ./clean.pop3 2500 | telnet pop3.test.com 110

#!/bin/bash 
# Wed Jun 16 16:04:19 EDT 2004 
# NAME: p1 
# Copyright 2004, Chris F.A. Johnson 
# Released under the terms of the GNU General Public License 
 
CR=$'/r'  ## carriage return; for removal of 
 
## connect to POP3 server on local machine, port 110 
exec 3<>/dev/tcp/127.0.0.1/110 
 
## get response from server 
read ok line <&3 
 
## check that it succeeded 
[ "${ok%$CR}" != "+OK" ] && exit 5 
 
## send user name, get response and check that it succeeded 
echo user poppy >&3 
read ok line <&3 
[ "${ok%$CR}" != "+OK" ] && exit 5 
 
## send password, get response and check that it succeeded 
echo pass pop3test >&3 
read ok line <&3 
[ "${ok%$CR}" != "+OK" ] && exit 5 
 
## get number of messages 
echo stat >&3 
read ok num x <&3 
 
## display number of messages 
echo $num messages 
 
## close connection 
echo quit >>&3

[[email protected] ~]>>nc imap.mailserver.com 143 
* OK [CAPABILITY IMAP4 IMAP4rev1 IDLE PUSHSERVICE ID UIDPLUS AUTH=LOGIN NAMESPACE] Mail IMAP4Server ready 
C1 LOGIN [email protected] password 
C1 OK Success login ok