Siemens SIMATIC NET S7-CPs Configuring And Installing page 276

12 NCM S7 Diagnostics
12.7 Diagnostic messages from E−mail connections with
authentication
Some Advanced CPs can operate with authentication on an E−mail server (refer to
the device manual).
If the authentication is incorrect, the sending of the E−mail is aborted and a
diagnostic message is entered in the diagnostic buffer of the CP.
If there is a second attempt to send an E−mail with an incorrect authentication, the
following two situations must be distinguished.
S User name or password wrong:
A further diagnostic message is output.
S The authentication method of the E−mail server is not supported:
No further diagnostic message is output.
The diagnostic messages due to authentication errors are displayed with the ID
"SMTP_RESP_ERROR_AUTH_SEQUENCE", an error number and an SMTP
status:
The error number and SMTP status specify the cause of the error in greater detail:
Table 12-7 Diagnostic messages resulting from authentication errors: error numbers
Erorr
number
1
2
3
4
5
6
7
8
9
)
* The SMTP status is not output with all messages.
)
** Authentication methods: PLAIN, LOGIN, CRAM−MD5, DIGEST−MD5
A−276
Meaning
Error in the transfer of the start sequence with
EHLO
The authentication method proposed by the mail
server is not supported by the CP.
Error in the transfer of the user name
Error in the transfer of the password
Error in the transfer of the coded logon string
Error in the transfer of the coded logon string
An error occurred generating the reply to the
request of the mail server.
Error in the transfer of the coded response string
Authentication unsuccessful
S7-CPs for Industrial Ethernet Configuring and Commissioning
SMTP Authenticatio
)
status * n method
)
yes All **
)
− − − All **
yes LOGIN
yes LOGIN
yes CRAM−MD5
yes DIGEST−MD5
− − − DIGEST−MD5
yes DIGEST−MD5
)
yes All **
Release 07/2010
C79000−G8976−C182−10