package mail // Encoding represents a MIME encoding scheme like quoted-printable or base64. type Encoding string const ( // EncodingB64 represents the Base64 encoding as specified in RFC 2045. EncodingB64 Encoding = "base64" // EncodingQP represents the "quoted-printable" encoding as specified in RFC 2045. EncodingQP Encoding = "quoted-printable" // NoEncoding avoids any character encoding (except of the mail headers) NoEncoding Encoding = "8bit" )