Curtis LT7029 - Manual (Page 39)

Please set parameter according to the email Service Providers. Such as POP3
server,system default “pop.126.com”,port is “110”,click “Next” to enter “inspect server
setting”.If setting correct,an interface “outgoing server settings” will come out as
below:
SMTP server “126.com” change to “smtp.126.com”, revise port “587” to “25”, drag the
scroll bard and click “Next” to enter "Check outgoing server settings" interface. If the
settings is correct, will enter the following interface: