Encoding type for the email headers
| Input Type | Accessed Type | Description | Notes |
|---|---|---|---|
| str, | str, | Encoding type for the email headers | must be one of ["UserProvided", "None", "Raw7bit", "Raw8bit", "QuotedPrintable", "Base64", "Uue", ] if omitted the server will use the default value of "UserProvided" |