STEP 7 special diagnostics
12.7 Diagnostics messages from e-mail connections with authentication
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
215
Diagnostics messages from e-mail connections with authentication
Some Advanced CPs can operate with authentication on an e-mail server (refer to the device
manual and the section Authentication and other features of the Advanced CP (Page 136)).
If the authentication is incorrect, the sending of the e-mail is aborted and a diagnostics
message is entered in the diagnostics 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:
● User name or password wrong:
A further diagnostics message is output.
● The authentication method of the e-mail server is not supported:
No further diagnostics message is output.
The diagnostics 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- 5 Diagnostics messages resulting from authentication errors: Error numbers
Error in the transfer of the start sequence with EHLO
)
2
The authentication method proposed by the mail server
is not supported by the CP.
- - - all **
)
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
7
An error occurred generating the reply to the request of
the mail server.
- - - DIGEST-MD5
Error in the transfer of the coded response string
Authentication unsuccessful
)
*
)
The SMTP status is not output with all messages.
**) Authentication methods: PLAIN, LOGIN, CRAM-MD5, DIGEST-MD5
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