Configures the parser to prepare the message for displaying in HTML container (such as browser).
This method configures the parser as follows:
PlainToHtmlMode=PlainToHtmlAutoConvert.IfNoHtml;HtmlToPlainMode=HtmlToPlainAutoConvert.Never;HtmlToSimpleHtmlMode=HtmlToSimpleHtmlAutoConvert.Never;HeadersAsHtml=true;MessageParserConfig Class | MailBee.Mime Namespace | Apply | SetPlainOutputMode