'HtmlToHtml.FilterHtml' is obsolete: 'This is an incomplete solution for protecting against Cross-Site Scripting (XSS) attacks and should not be relied upon as a comprehensive security measure. For robust XSS protection, it is strongly recommended that applications pass the HTML output through a dedicated HTML sanitizer library that is actively maintained and updated to address emerging security threats.'

'HexEncoder' is obsolete: 'This class will being going away in a future version of MimeKit.'

'HexDecoder' is obsolete: 'This class will being going away in a future version of MimeKit.'

'HexEncoder' is obsolete: 'This class will being going away in a future version of MimeKit.'

'HexDecoder' is obsolete: 'This class will being going away in a future version of MimeKit.'

'HtmlToHtml.FilterHtml' is obsolete: 'This is an incomplete solution for protecting against Cross-Site Scripting (XSS) attacks and should not be relied upon as a comprehensive security measure. For robust XSS protection, it is strongly recommended that applications pass the HTML output through a dedicated HTML sanitizer library that is actively maintained and updated to address emerging security threats.'

'HtmlToHtml.FilterHtml' is obsolete: 'This is an incomplete solution for protecting against Cross-Site Scripting (XSS) attacks and should not be relied upon as a comprehensive security measure. For robust XSS protection, it is strongly recommended that applications pass the HTML output through a dedicated HTML sanitizer library that is actively maintained and updated to address emerging security threats.'

'HexEncoder' is obsolete: 'This class will being going away in a future version of MimeKit.'

'HexDecoder' is obsolete: 'This class will being going away in a future version of MimeKit.'