Multitech MTCMR-E1 Bedienungsanleitung PDF herunterladen (Seite 28)

Chapter 3 – POP3 AT Commands

28 Universal IP AT Commands Reference Guide

#POP3UN – Set POP3 User Name

Description: User name for POP3 account. To retrieve email messages sent to a specified email address, the

TCP/IP stack software must know the POP3 user name that has been set for that email account.

Syntax: AT#POP3UN="<value>"

AT#POP3UN? Read or display the current setting (or AT#VPOP3, AT#VALL).

Values: Alphanumeric ASCII text string up to 64 characters.

Default: No default.

#GETMAIL – Retrieve Host Mail

Description: Allows the attached host to direct the TCP/IP stack to retrieve the first mail present in the POP3

server list. Once an IP link is established, the attached host can retrieve an email message at any

time (except when the TCP/IP stack software is already in a process using TCP resources). Similar

to a “check email box” feature issued by a standard messaging client on a PC.

Syntax: AT#GETMAIL

To view parameters, use #VPOP3.

Command

Possible Responses

AT#GETMAIL

(Retrieve mail)

Ok_Info_Mail

Notes:

This message is issued when one email message is located in the specified POP3

mailbox.

Depending on the #POP3HEADERMODE parameter, the TCP/IP stack sends the email

header over the serial port to the attached host.

(CR)(LF)(.)(CR)(LF) indicates the end of the email body.

AT#GETMAIL

Ok_Info_NoMail

Note: There is no email to retrieve in the POP3 mailbox.

AT#GETMAIL

#CME ERROR: 38027

Notes:

The address of the POP3 server has not been resolved by the secondary DNS server.

TCP/IP stack is not able to reach the primary and secondary DNS servers or a wrong

POP3 server address has been entered.

AT#GETMAIL

#CME ERROR: <value>

Notes:

An error has occurred during the communication with the remote POP3 server. It may

also happen during the data transfer after the MAIL message. In this case, it is

preceded by a (CR)(LF)(.)(CR)(LF) sequence.

This error can be due to one of the following reasons:

- The DNS servers are not able to resolve the POP3 server address

- The POP3 server is temporarily out of service

- The authentication (POP3UN, POP3PW) is not valid

See section ‘Response messages and error codes’.

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