{"en_US": "<t t-name=\"mass_mailing.mass_mailing_mail_layout\">\n        &lt;!DOCTYPE html&gt;\n        <html xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:v=\"urn:schemas-microsoft-com:vml\" xmlns:o=\"urn:schemas-microsoft-com:office:office\">\n            <head>\n                <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\"/>\n                <meta name=\"format-detection\" content=\"telephone=no\"/>\n                <meta name=\"viewport\" content=\"width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=no;\"/>\n                <meta http-equiv=\"X-UA-Compatible\" content=\"IE=9; IE=8; IE=7; IE=EDGE\"/>\n\n                <t t-call=\"mass_mailing.mass_mailing_mail_style\"/>\n\n                <!--\n                    Prevent Outlook from distorting images with DPI scaling (see\n                    https://www.htmlemailcheck.com/knowledge-base/dpi-scaling-in-outlook-2007-2013/):\n                -->\n                <!--[if mso]>\n                    <xml>\n                        <o:OfficeDocumentSettings>\n                            <o:AllowPNG/>\n                            <o:PixelsPerInch>96</o:PixelsPerInch>\n                        </o:OfficeDocumentSettings>\n                    </xml>\n                <![endif]-->\n            </head>\n            <body>\n                <t t-out=\"body\"/>\n            </body>\n        </html>\n    </t>"}