&lt;meta content="text/html; charset=iso-8859-1" /&gt; &lt;meta content="width=device-width, initial-scale=1" /&gt;  &lt;table style="background-color: white;         max-width: 548px;         color: black;         border-spacing: 0px 0px;         padding-top: 0px;         padding-bottom: 0px;        border-collapse: collapse; width: 548px; border-spacing: 0px;" cellpadding="0"&gt;       &lt;tbody&gt;         &lt;tr&gt;           &lt;td style="text-align: left;        padding-bottom: 20px;"&gt;             &lt;img height="28" width="126" style="max-width: 100%;" src="https://products.office.com/en-us/CMSImages/Office365Logo_Orange.png?version=b8d100a9-0a8b-8e6a-88e1-ef488fee0470" alt="image" /&gt;           &lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        font-size: 16px;         padding-bottom: 10px;         -ms-text-size-adjust: 100%;        text-align: left;"&gt;Your message to &lt;span style="color: #0072c6;"&gt;marcela.romero@ecologycolombia.com&lt;/span&gt; couldn't be delivered.&lt;br /&gt;&lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;         font-size: 24px;         padding-top: 0px;         padding-bottom: 20px;         text-align: center;         -ms-text-size-adjust: 100%;"&gt;A security check at &lt;span style="color: #0072c6;"&gt;ecologycolombia.com&lt;/span&gt; failed due to misconfigured settings at &lt;span style="color: #0072c6;"&gt;arintia.com&lt;/span&gt;.&lt;br /&gt;&lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="padding-bottom: 15px;         padding-left: 0px;         padding-right: 0px;         border-spacing: 0px 0px;"&gt;             &lt;table style="max-width: 548px;         font-weight: 600;        border-spacing: 0px 0px;         padding-top: 0px;         padding-bottom: 0px;        border-collapse: collapse;"&gt;               &lt;tbody&gt;                 &lt;tr&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        font-size: 15px;        font-weight: 600;        text-align: left;        width: 181px;        -ms-text-size-adjust: 100%;        vertical-align: bottom;"&gt;                     &lt;span style="color: #ffffff;"&gt;                       &lt;span style="color:#000000"&gt;arintia.com&lt;/span&gt;                     &lt;/span&gt;                   &lt;/td&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        font-size: 15px;        font-weight: 600;        text-align: center;        width: 186px;        -ms-text-size-adjust: 100%;        vertical-align: bottom;"&gt;                     &lt;span style="color: #ffffff;"&gt;                       &lt;span style="color:#000000"&gt;Office 365&lt;/span&gt;                     &lt;/span&gt;                   &lt;/td&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;         -ms-text-size-adjust: 100%;         font-size: 15px;         font-weight: 600;        text-align: right;         width: 181px;         vertical-align: bottom;"&gt;                     &lt;span style="color: #ffffff;"&gt;                       &lt;span style="color:#000000"&gt;ecologycolombia.com&lt;/span&gt;                     &lt;/span&gt;                   &lt;/td&gt;                 &lt;/tr&gt;                 &lt;tr&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        font-weight: 400;        text-align: left;        padding-top: 0px;        padding-bottom: 0px;        vertical-align: middle;        width: 181px;"&gt;                     &lt;span style="color: #ffffff;"&gt;                       &lt;span style="color: #c00000;"&gt;                         &lt;b&gt;Action Required&lt;/b&gt;                       &lt;/span&gt;                     &lt;/span&gt;                   &lt;/td&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        font-weight: 400;        text-align: center;        padding-top: 0px;        padding-bottom: 0px;        vertical-align: middle;        width: 186px;"&gt;                   &lt;/td&gt;&lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        font-weight: 400;        text-align: right;        padding-top: 0px;        padding-bottom: 0px;        vertical-align: middle;        width: 181px;"&gt;                     &lt;span style="color: #ffffff;"&gt;                       &lt;span style="color:#000000"&gt;Recipient&lt;/span&gt;                     &lt;/span&gt;                   &lt;/td&gt;                 &lt;/tr&gt;                 &lt;tr&gt;                   &lt;td colspan="3" style="padding-top:0;        padding-bottom:0;        padding-left:0;        padding-right:0"&gt;                     &lt;table cellpadding="0" style="border-spacing: 0px 0px;        padding-top: 0px;        padding-bottom: 0px;        padding-left: 0px;        padding-right: 0px;        border-collapse: collapse; border-spacing: 0px;"&gt;                       &lt;tbody&gt;                         &lt;tr&gt;                           &lt;td style="width: 180px;        line-height: 10px;        height: 10px;        font-size: 6px;        padding-top: 0;        padding-bottom: 0;        padding-left: 0;        padding-right: 0; width: 180px; height: 10px; background-color: #c00000;"&gt;&lt;/td&gt;                           &lt;td style="width: 4px;        line-height: 10px;        height: 10px;        font-size: 6px;        padding-top: 0;        padding-bottom: 0;        padding-left: 0;        padding-right: 0; width: 4px; height: 10px; background-color: #ffffff;"&gt;&lt;/td&gt;                           &lt;td style="width: 180px;        line-height: 10px;        height: 10px;        font-size: 6px;        padding-top: 0;        padding-bottom: 0;        padding-left: 0;        padding-right: 0; width: 180px; height: 10px; background-color: #cccccc;"&gt;&lt;/td&gt;                           &lt;td style="width: 4px;        line-height: 10px;        height: 10px;        font-size: 6px;        padding-top: 0;        padding-bottom: 0;        padding-left: 0;        padding-right: 0; width: 4px; height: 10px; background-color: #ffffff;"&gt;&lt;/td&gt;                           &lt;td style="width: 180px;        line-height: 10px;        height: 10px;        font-size: 6px;        padding-top: 0;        padding-bottom: 0;        padding-left: 0;        padding-right: 0; width: 180px; height: 10px; background-color: #cccccc;"&gt;&lt;/td&gt;                         &lt;/tr&gt;                       &lt;/tbody&gt;                     &lt;/table&gt;                   &lt;/td&gt;                 &lt;/tr&gt;                 &lt;tr&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        text-align: left;        width: 181px;        line-height: 20px;        font-weight: 400;        padding-top: 0px;        padding-left: 0px;        padding-right: 0px;        padding-bottom: 0px;"&gt;                     &lt;span style="color: #ffffff;"&gt;                       &lt;span style="color: #c00000;"&gt;Misconfigured PTR record&lt;/span&gt;                     &lt;/span&gt;                   &lt;/td&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        text-align: center;        width: 186px;        line-height: 20px;        font-weight: 400;        padding-top: 0px;        padding-left: 0px;        padding-right: 0px;        padding-bottom: 0px;"&gt;                   &lt;/td&gt;&lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        text-align: right;        width: 181px;        line-height: 20px;        font-weight: 400;        padding-top: 0px;        padding-left: 0px;        padding-right: 0px;        padding-bottom: 0px;"&gt;                 &lt;/td&gt;&lt;/tr&gt;               &lt;/tbody&gt;             &lt;/table&gt;           &lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="width: 100%;        padding-top: 0px;        padding-right: 10px;        padding-left: 10px;"&gt;             &lt;br /&gt;             &lt;table style="width: 100%;        padding-right: 0px;        padding-left: 0px;        padding-top: 0px;        padding-bottom: 0px;        background-color: #f2f5fa;        margin-left: 0px;"&gt;               &lt;tbody&gt;                 &lt;tr&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 21px;        font-weight: 500;        background-color: #f2f5fa;        padding-top: 0px;        padding-bottom: 0px;        padding-left: 10px;        padding-right: 10px;"&gt;How to Fix It&lt;/td&gt;                 &lt;/tr&gt;                 &lt;tr&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 16px;        font-weight: 400;        padding-top: 0px;        padding-bottom: 6px;        padding-left: 10px;        padding-right: 10px;        background-color: #f2f5fa;"&gt;The recipient's email server at ecologycolombia.com performed a security check against your message and the check failed. To fix this, forward this non-delivery report (NDR) to your email admin.&lt;/td&gt;                 &lt;/tr&gt;               &lt;/tbody&gt;             &lt;/table&gt;           &lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        font-weight: 400;        padding-top: 10px;        padding-bottom: 0px;        padding-bottom: 4px;"&gt;             &lt;br /&gt;             &lt;em&gt;Was this helpful? &lt;a href="https://go.microsoft.com/fwlink/p/?LinkID=717210"&gt;Send feedback to Microsoft&lt;/a&gt;.&lt;/em&gt;           &lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="-ms-text-size-adjust: 100%;        font-size: 0px;        line-height: 0px;        padding-top: 0px;        padding-bottom: 0px;"&gt;             &lt;hr /&gt;           &lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 21px;        font-weight: 500;"&gt;             &lt;br /&gt;More Info for Email Admins&lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;"&gt;             &lt;em&gt;Status code: 550 5.7.363&lt;/em&gt;             &lt;br /&gt;             &lt;br /&gt;It appears that the recipient's email server at ecologycolombia.com performed a reverse DNS (rDNS) lookup security check to verify that the IP address the message is coming from is associated with the sending domain, and the lookup failed. It appears that the pointer (PTR) record for arintia.com isn't set up correctly.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Set up or fix your domain's PTR record -&lt;/b&gt; If you're the admin for arintia.com, work with your DNS hosting provider (your domain registrar, Web hosting provider, or ISP) to correctly set up a PTR record for your domain. If you're using Office 365 to manage your DNS records note that PTR record creation and management isn't supported in Office 365, so you'll have to change your DNS management to a DNS host outside Office 365. Refer to this article for more information and instructions: &lt;a href="https://go.microsoft.com/fwlink/p/?LinkId=717889"&gt;Change how DNS records are managed with Office 365.&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;Unfortunately, Office 365 Support can't help you fix these kinds of externally reported errors because Office 365 doesn't support PTR record management.&lt;br /&gt;&lt;br /&gt;&lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 17px;        font-weight: 500;"&gt;Original Message Details&lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="font-size: 14px;        line-height: 20px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;"&gt;             &lt;table style="width: 100%;        border-collapse: collapse;        margin-left: 10px;"&gt;               &lt;tbody&gt;                 &lt;tr&gt;                   &lt;td valign="top" style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        font-size: 14px;        -ms-text-size-adjust: 100%;        white-space: nowrap;        font-weight: 500;        width: 140px;"&gt;Created Date:&lt;/td&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        font-weight: 400;"&gt;3/1/2022 1:05:18 PM&lt;/td&gt;                 &lt;/tr&gt;                 &lt;tr&gt;                   &lt;td valign="top" style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        font-size: 14px;        -ms-text-size-adjust: 100%;        white-space: nowrap;        font-weight: 500;        width: 140px;"&gt;Sender Address:&lt;/td&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        font-weight: 400;"&gt;soporteti@arintia.com&lt;/td&gt;                 &lt;/tr&gt;                 &lt;tr&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        font-size: 14px;        -ms-text-size-adjust: 100%;        white-space: nowrap;        font-weight: 500;        width: 140px;"&gt;Recipient Address:&lt;/td&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        font-weight: 400;"&gt;marcela.romero@ecologycolombia.com&lt;/td&gt;                 &lt;/tr&gt;                 &lt;tr&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        font-size: 14px;        -ms-text-size-adjust: 100%;        white-space: nowrap;        font-weight: 500;        width: 140px;"&gt;Subject:&lt;/td&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        font-weight: 400;"&gt;[GLPI #0003042] Actualización de un caso CONFIGURACION DE MI FIRMA EN LOS CORREOS&lt;/td&gt;                 &lt;/tr&gt;               &lt;/tbody&gt;             &lt;/table&gt;           &lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 17px;        font-weight: 500;"&gt;             &lt;br /&gt;Error Details&lt;/td&gt;         &lt;/tr&gt;         &lt;tr&gt;           &lt;td style="font-size: 14px;        line-height: 20px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;"&gt;             &lt;table style="width: 100%;        border-collapse: collapse;        margin-left: 10px;"&gt;               &lt;tbody&gt;                 &lt;tr&gt;                   &lt;td valign="top" style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        font-size: 14px;        -ms-text-size-adjust: 100%;        white-space: nowrap;        font-weight: 500;        width: 140px;"&gt;Reported error:&lt;/td&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        font-weight: 400;"&gt;                     &lt;em&gt;550 5.7.363 Remote server returned sender verification failed -&amp;gt; 550 Verification failed for &amp;lt;soporteti@arintia.com&amp;gt;;No Such User Here;Sender verify failed&lt;/em&gt;                   &lt;/td&gt;                 &lt;/tr&gt;                 &lt;tr&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        font-size: 14px;        -ms-text-size-adjust: 100%;        white-space: nowrap;        font-weight: 500;        width: 140px;"&gt;DSN generated by:&lt;/td&gt;                   &lt;td style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 14px;        font-weight: 400;"&gt;MN2PR17MB3038.namprd17.prod.outlook.com&lt;/td&gt;                 &lt;/tr&gt;               &lt;/tbody&gt;             &lt;/table&gt;           &lt;/td&gt;         &lt;/tr&gt;       &lt;/tbody&gt;     &lt;/table&gt;     &lt;br /&gt;     &lt;table style="width: 880px; border-spacing: 0px;"&gt;       &lt;tr&gt;         &lt;td colspan="6" style="padding-top: 4px;        border-bottom: 1px solid #999999;        padding-bottom: 4px;        line-height: 120%;        font-size: 17px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;"&gt;Message Hops&lt;/td&gt;       &lt;/tr&gt;       &lt;tr&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        background-color: #f2f5fa;        border-bottom: 1px solid #999999;        white-space: nowrap;        padding: 8px;"&gt;HOP&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        background-color: #f2f5fa;        border-bottom: 1px solid #999999;        white-space: nowrap;        padding: 8px;        width: 80px;"&gt;TIME (UTC)&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        background-color: #f2f5fa;        border-bottom: 1px solid #999999;        white-space: nowrap;        padding: 8px;"&gt;FROM&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        background-color: #f2f5fa;        border-bottom: 1px solid #999999;        white-space: nowrap;        padding: 8px;"&gt;TO&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        background-color: #f2f5fa;        border-bottom: 1px solid #999999;        white-space: nowrap;        padding: 8px;"&gt;WITH&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        background-color: #f2f5fa;        border-bottom: 1px solid #999999;        white-space: nowrap;        padding: 8px;"&gt;RELAY TIME&lt;/td&gt;       &lt;/tr&gt;       &lt;tr&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: center;"&gt;1&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: left;        width: 80px;"&gt;3/1/2022&lt;br /&gt;1:05:21 PM&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: left;"&gt;BYAPR17MB2950.namprd17.prod.outlook.com&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: left;"&gt;BYAPR17MB2950.namprd17.prod.outlook.com&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: left;"&gt;mapi&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: left;"&gt;3&nbsp;sec&lt;/td&gt;       &lt;/tr&gt;       &lt;tr&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: center;"&gt;2&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: left;        width: 80px;"&gt;3/1/2022&lt;br /&gt;1:05:21 PM&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: left;"&gt;BYAPR17MB2950.namprd17.prod.outlook.com&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: left;"&gt;MN2PR17MB3038.namprd17.prod.outlook.com&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: left;"&gt;Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384)&lt;/td&gt;         &lt;td style="font-size: 12px;        font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-weight: 500;        border-bottom: 1px solid #999999;        padding: 8px;        text-align: left;"&gt;*&lt;/td&gt;       &lt;/tr&gt;     &lt;/table&gt;     &lt;p style="font-family: 'Segoe UI', Frutiger, Arial, sans-serif;        -ms-text-size-adjust: 100%;        font-size: 17px;        font-weight: 500;        padding-top: 4px;        padding-bottom: 0;        margin-top: 19px;        margin-bottom: 5px;"&gt;Original Message Headers&lt;/p&gt;     &lt;pre style="color: gray;        white-space: pre;        padding-top: 0;        margin-top: 5px;"&gt;ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none;  b=JiXZIg2xdo5Sr6WxXV3Sv6ody+Pgdj5s6YxDzvHd/hgID1HyS2NuWLbkeBjtcNY2AJJGqRXlb75DKL9fGvO1ejU1Noj/WWGWnuSlgHIZMC9uq3k+jQ2rP7mA7ZETUVu+CFyjpsXy9rMbpaVxLhJXoLEku417RJygl5bK8wFYGyUzSvlEtbZQLs6siSxdixb+irSJSlEg6S/FlC/Ayqtt7d2WZDfd6Z8kkK2acmjZWA50a29wBB8g+vCWzkiLlOFp6oH11h0YItzVNUmZ6lq7jDSHxxg2ZJk8QJ/6HeysqqaglhZ7CMBZ855WQpcWHV427IXk6Ra/k5CW2LbebOfcjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;  s=arcselector9901;  h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;  bh=ojKdzVGItjlX1zNrn35youOyn1yQ4ir9WGQsGGw/Wdw=; 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