log4net SDK Reference |

# SmtpAppender.SmtpAuthentication Enumeration

Values for the Authentication property.

[Visual Basic]
Public Enum SmtpAppender.SmtpAuthentication
[C#]
public enum SmtpAppender.SmtpAuthentication

#### Remarks

SMTP authentication modes.

#### Members

Member Name | Description
--- | ---
None | No authentication
Basic | Basic authentication.
Ntlm | Integrated authentication

#### Requirements

Namespace: log4net.Appender

Assembly: log4net (in log4net.dll)

#### See Also

log4net.Appender Namespace