22201
Invalid handle to SMTP client
22202
Invalid parameter passed to function
22203
Cannot initialize socket library
22204
Cannot allocate memory
22205
Cannot resolve host name
22206
Cannot create socket
22207
Cannot connect to remote server
22208
Cannot select socket
22209
Timeout reading socket
22210
Invalid SMTP server response
22211
Cannot read socket
22212
Cannot write socket
22213
Server connection is in use
22214
No return address specified
22215
No recipients specified
22216
Server receiving message data
22217
No message data received
22218
Server connection is closed
22219
Client operation was canceled
Last Modified On:
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