Error Codes

This list gives possible error codes for the TwinCAT SMTP Server supplement product. If an error code is generated that is not included in the list, please refer to the ADS Return Codes or the WinSockErrorCodes list.

Error code (hex)	Error code (dec)	Description
< 0x8000	< 32778	ADS return code
0x800A	32778	Not connected
0x800B	32779	Sender expected
0x800C	32780	Recipients expected
0x800D	32781	Send FROM command failed
0x800E	32782	Send DATA command failed
0x800F	32783	Send mail header failed
0x8010	32784	Send mail body failed
0x8011	32785	Send "end of mail indicator" failed
0x8012	32786	Send "RCPT" command failed
0x8013	32787	Server Response got no username request
0x8014	32788	Server Response got no password request
0x8015	32789	Unable to create socket connection
0x8016	32790	Authentication type not supported by smtp server
0x8017	32791	Wrong username or password
0x8018	32792	Not supported
0x8019	32793	Invalid hostname
0x801A	32794	Unable to send attachment
0x801B	32795	File not found
0x801C	32796	Invalid Version (New SMTP Server with old SMTP PLC library)
0x801D	32797	Unable to connect (Connection error => sometimes wrong port or wrong server)
0x801E	32798	Unable to create socket
0x801F	32799	WSA startup failed
0x8020	32800	Invalid hostname
0x8021	32801	Unexpected response from server
0x8022	32802	Error while receiving data
0x8023	32803	No supported authentication methods found
0x8024	32804	Invalid parameter
0x80A0	32928	Security interface not found
0x80A1	32929	Unable to call security interface
0x80A2	32930	Security initialization failed
0x80A4	32932	Unable to create credentials
0x80A5	32933	SSL-handshake failed
0x80A6	32934	Invalid server credentials
0x80A7	32935	Unable to verify server
0x80A8	32936	Unable to encrypt message
0x80A9	32937	Unable to decrypt message

Requirements

Development environment	Target platform	PLC libraries to include
TwinCAT v3.1.4000	PC or CX (x86)	Tc2_Smtp