## ImapKnownAuthenticationType enumeration



## Members
| Member name | Description |
| :- | :- |
|NONE|None|
|LOGIN|https://tools.ietf.org/id/draft-murchison-sasl-login-00.txt|
|OAUTH2|https://tools.ietf.org/html/rfc7628|
|NTLM|http://davenport.sourceforge.net/ntlm.html<br/>            https://tools.ietf.org/doc/tcllib/html/sasl.html|
|PLAIN|https://tools.ietf.org/html/rfc4422|
|GSSAPI|GSS-API<br/>            https://tools.ietf.org/html/rfc2078 <br/>            https://tools.ietf.org/html/rfc2222<br/>            Kerberos V5<br/>            https://tools.ietf.org/html/rfc4752|
|CRAM_MD5|https://tools.ietf.org/html/rfc2195|
|EXTERNAL|https://tools.ietf.org/html/rfc2222|
|KERBEROS_V4|https://tools.ietf.org/html/rfc2222|
|ANONYMOUS|https://tools.ietf.org/html/rfc4505|
|DIGEST_MD5|https://tools.ietf.org/html/rfc2831|
|GSSSPNEGO|GSS-SPNEGO<br/>            https://tools.ietf.org/html/rfc5801#section-14 <br/>            https://tools.ietf.org/html/rfc4178|
|OTP_MD4|https://tools.ietf.org/html/rfc2444|
|OTP_MD5|https://tools.ietf.org/html/rfc2444|
|OTP_SHA1|https://tools.ietf.org/html/rfc2444|
|SKEY|https://tools.ietf.org/html/rfc1760<br/>            https://tools.ietf.org/html/rfc2222#section-7.3|
|PASS_DSS_SHA_3_DES_1|https://tools.ietf.org/html/draft-newman-sasl-passdss-00|
|SCRAM_SHA1|https://tools.ietf.org/html/rfc5802|
|SCRAM_SHA_1_PLUS|https://tools.ietf.org/html/rfc5802|
|SCRAM_SHA224||
|SCRAM_SHA_224_PLUS||
|SCRAM_SHA256|https://tools.ietf.org/html/rfc7677|
|SCRAM_SHA_256_PLUS|https://tools.ietf.org/html/rfc7677|
|SCRAM_SHA384||
|SCRAM_SHA_384_PLUS||
|SCRAM_SHA512|https://tools.ietf.org/html/draft-melnikov-scram-sha-512-01|
|SCRAM_SHA_512_PLUS|https://tools.ietf.org/html/draft-melnikov-scram-sha-512-01|
|IMAP_LOGIN|https://tools.ietf.org/html/rfc3501#section-6.2.3|

### See Also

* namespace [aspose.email.clients.imap](/email/python-net/aspose.email.clients.imap/)
* assembly [Aspose.Email](/email/python-net/)