class twisted.mail.smtp.AuthenticationError(ESMTPClientError): (source)
An error occurred while authenticating.
Either the server rejected our request for authentication or the challenge received was malformed.
This is considered a non-fatal error (the connection will not be dropped).
Inherited from SMTPClientError (via ESMTPClientError):
| Method | __init__ | No summary |
| Instance Variable | code | Undocumented |
| Instance Variable | resp | Undocumented |
| Instance Variable | log | Undocumented |
| Instance Variable | addresses | Undocumented |
| Instance Variable | isFatal | Undocumented |
| Instance Variable | retry | Undocumented |
| Method | __str__ | Undocumented |
| Method | __bytes__ | Undocumented |