AT
// OK
// 3.1 Bearer profile
// Configure bearer profile 1
AT+SAPBR=3,1,"Contype","GPRS"
// OK
// To open a GPRS context.
AT+SAPBR=3,1,"APN","3Gprepaid"
// OK
// To query the GPRS context
AT+SAPBR=1,1
// OK
// To close a GPRS context.
AT+SAPBR=2,1
// +SAPBR: 1,1,"10.168.207.36"
// OK
// 3.5 Retrieve the Email
// Set parameters of Email
AT+EMAILCID=1
// OK
AT+EMAILTO=30
// OK
AT+EMAILSSL=1
// OK
// Set POP3 server and account
AT+POP3SRV="pop.gmail.com","xxx@gmail.com","xxx",995
// OK
// Log in POP3 server
AT+POP3IN
// OK
// +POP3IN: 1
// Get Email number and total size
AT+POP3NUM
// OK
// +POP3NUM: 1,267,7430098
// Get the specific Email’s size
AT+POP3LIST=1
// OK
// +POP3LIST: 1,1,6900
// Retrieve the specific Email
AT+POP3CMD=4,1
// OK
// +POP3CMD: 1
// +POP3READ: 3,2254
// Get the Email content
AT+POP3READ=1460
// +POP3READ: 1,1460
AT+POP3READ=1460
// +POP3READ: 1,1460
// The Email’s content is read completely
AT+POP3READ=1460
// +POP3READ: 1,1460
// Log out POP3 SERVER
AT+POP3OUT
// OK
// +POP3OUT: 1