Email Header Analyzer - Find and Analyze Email Sources

<!DOCTYPE html>
<html>
<head>
  <title>SwitchFirewall: Templated DOM</title>
</head>
<body>
<script type="text/javascript" src="https://www.blogger.com/static/v1/widgets/3131230167-widgets.js"></script>
<script type='text/javascript'>
window['__wavt'] = 'AOuZoY4JMzvlhwWhhJStXX8B34R2t7ShgA:1746147820192';_WidgetManager._Init('//www.blogger.com/rearrange?blogID\x3d1027473917270012092','//www.switchfirewall.com/p/email-header-analyzer-find-and-analyze.html','1027473917270012092');
_WidgetManager._SetDataContext([{'name': 'blog', 'data': {'blogId': '1027473917270012092', 'title': 'SwitchFirewall', 'url': 'https://www.switchfirewall.com/p/email-header-analyzer-find-and-analyze.html', 'canonicalUrl': 'https://www.switchfirewall.com/p/email-header-analyzer-find-and-analyze.html', 'homepageUrl': 'https://www.switchfirewall.com/', 'searchUrl': 'https://www.switchfirewall.com/search', 'canonicalHomepageUrl': 'https://www.switchfirewall.com/', 'blogspotFaviconUrl': 'https://www.switchfirewall.com/favicon.ico', 'bloggerUrl': 'https://www.blogger.com', 'hasCustomDomain': true, 'httpsEnabled': true, 'enabledCommentProfileImages': true, 'gPlusViewType': 'FILTERED_POSTMOD', 'adultContent': false, 'analyticsAccountNumber': '', 'encoding': 'UTF-8', 'locale': 'en', 'localeUnderscoreDelimited': 'en', 'languageDirection': 'ltr', 'isPrivate': false, 'isMobile': false, 'isMobileRequest': false, 'mobileClass': '', 'isPrivateBlog': false, 'isDynamicViewsAvailable': true, 'feedLinks': '\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22SwitchFirewall - Atom\x22 href\x3d\x22https://www.switchfirewall.com/feeds/posts/default\x22 /\x3e\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/rss+xml\x22 title\x3d\x22SwitchFirewall - RSS\x22 href\x3d\x22https://www.switchfirewall.com/feeds/posts/default?alt\x3drss\x22 /\x3e\n\x3clink rel\x3d\x22service.post\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22SwitchFirewall - Atom\x22 href\x3d\x22https://www.blogger.com/feeds/1027473917270012092/posts/default\x22 /\x3e\n', 'meTag': '', 'adsenseHostId': 'ca-host-pub-1556223355139109', 'adsenseHasAds': false, 'adsenseAutoAds': false, 'boqCommentIframeForm': true, 'loginRedirectParam': '', 'view': '', 'dynamicViewsCommentsSrc': '//www.blogblog.com/dynamicviews/4224c15c4e7c9321/js/comments.js', 'dynamicViewsScriptSrc': '//www.blogblog.com/dynamicviews/a558aeb4ec2c6340', 'plusOneApiSrc': 'https://apis.google.com/js/platform.js', 'disableGComments': true, 'interstitialAccepted': false, 'sharing': {'platforms': [{'name': 'Get link', 'key': 'link', 'shareMessage': 'Get link', 'target': ''}, {'name': 'Facebook', 'key': 'facebook', 'shareMessage': 'Share to Facebook', 'target': 'facebook'}, {'name': 'BlogThis!', 'key': 'blogThis', 'shareMessage': 'BlogThis!', 'target': 'blog'}, {'name': 'X', 'key': 'twitter', 'shareMessage': 'Share to X', 'target': 'twitter'}, {'name': 'Pinterest', 'key': 'pinterest', 'shareMessage': 'Share to Pinterest', 'target': 'pinterest'}, {'name': 'Email', 'key': 'email', 'shareMessage': 'Email', 'target': 'email'}], 'disableGooglePlus': true, 'googlePlusShareButtonWidth': 0, 'googlePlusBootstrap': '\x3cscript type\x3d\x22text/javascript\x22\x3ewindow.___gcfg \x3d {\x27lang\x27: \x27en\x27};\x3c/script\x3e'}, 'hasCustomJumpLinkMessage': false, 'jumpLinkMessage': 'Read more', 'pageType': 'static_page', 'pageId': '4885783136904815968', 'pageName': 'Email Header Analyzer - Find and Analyze Email Sources', 'pageTitle': 'SwitchFirewall: Email Header Analyzer - Find and Analyze Email Sources', 'metaDescription': ''}}, {'name': 'features', 'data': {}}, {'name': 'messages', 'data': {'edit': 'Edit', 'linkCopiedToClipboard': 'Link copied to clipboard!', 'ok': 'Ok', 'postLink': 'Post Link'}}, {'name': 'template', 'data': {'name': 'custom', 'localizedName': 'Custom', 'isResponsive': true, 'isAlternateRendering': false, 'isCustom': true}}, {'name': 'view', 'data': {'classic': {'name': 'classic', 'url': '?view\x3dclassic'}, 'flipcard': {'name': 'flipcard', 'url': '?view\x3dflipcard'}, 'magazine': {'name': 'magazine', 'url': '?view\x3dmagazine'}, 'mosaic': {'name': 'mosaic', 'url': '?view\x3dmosaic'}, 'sidebar': {'name': 'sidebar', 'url': '?view\x3dsidebar'}, 'snapshot': {'name': 'snapshot', 'url': '?view\x3dsnapshot'}, 'timeslide': {'name': 'timeslide', 'url': '?view\x3dtimeslide'}, 'isMobile': false, 'title': 'Email Header Analyzer - Find and Analyze Email Sources', 'description': 'SwitchFirewall makes learning networking easy! Our blog offers clear, easy-to-follow guides on network security, switching, and automation.', 'url': 'https://www.switchfirewall.com/p/email-header-analyzer-find-and-analyze.html', 'type': 'item', 'isSingleItem': true, 'isMultipleItems': false, 'isError': false, 'isPage': true, 'isPost': false, 'isHomepage': false, 'isArchive': false, 'isLabelSearch': false, 'pageId': 4885783136904815968}}, {'name': 'widgets', 'data': [{'title': 'SwitchFirewall (Header)', 'type': 'Header', 'sectionId': 'header-title', 'id': 'Header1'}, {'title': 'Try \x27Adventure\x27', 'type': 'BlogSearch', 'sectionId': 'header-search', 'id': 'BlogSearch1'}, {'title': 'Contributors', 'type': 'Profile', 'sectionId': 'header-icon', 'id': 'Profile1'}, {'title': 'Additional Menu', 'type': 'PageList', 'sectionId': 'nav-widget-1', 'id': 'PageList002'}, {'title': 'Social Media', 'type': 'LinkList', 'sectionId': 'nav-widget-1', 'id': 'LinkList002'}, {'title': 'Navigation Menu', 'type': 'HTML', 'sectionId': 'nav-widget-2', 'id': 'HTML000'}, {'title': 'Scroll Menu', 'type': 'LinkList', 'sectionId': 'notif-widget', 'id': 'LinkList001'}, {'title': 'Pinned Post', 'type': 'FeaturedPost', 'sectionId': 'top-widget', 'id': 'FeaturedPost1', 'postId': '8155684276615052509'}, {'title': 'Blog Posts', 'type': 'Blog', 'sectionId': 'main-widget', 'id': 'Blog1', 'posts': [{'id': '4885783136904815968', 'title': 'Email Header Analyzer - Find and Analyze Email Sources', 'showInlineAds': false}], 'headerByline': {'regionName': 'header1', 'items': [{'name': 'share', 'label': ''}, {'name': 'author', 'label': 'Published by'}, {'name': 'timestamp', 'label': 'On'}]}, 'footerBylines': [{'regionName': 'footer1', 'items': [{'name': 'comments', 'label': 'Comment'}, {'name': 'icons', 'label': ''}]}, {'regionName': 'footer2', 'items': [{'name': 'labels', 'label': 'in'}]}], 'allBylineItems': [{'name': 'share', 'label': ''}, {'name': 'author', 'label': 'Published by'}, {'name': 'timestamp', 'label': 'On'}, {'name': 'comments', 'label': 'Comment'}, {'name': 'icons', 'label': ''}, {'name': 'labels', 'label': 'in'}]}, {'title': 'Popular Posts', 'type': 'PopularPosts', 'sectionId': 'side-widget', 'id': 'PopularPosts00', 'posts': [{'title': 'Speed Up Your TFTP Transfers: A Guide to Increasing Block Size', 'id': 8213164655443104013}, {'title': 'A Step-by-Step Guide to Secure SNMPv3 Configuration on Cisco Devices', 'id': 2855206057329470105}, {'title': 'How to Fix VMware Performance Issues on Windows 11', 'id': 8155684276615052509}, {'title': 'How to Use iPerf for Bandwidth Testing on Windows', 'id': 5768986402342074357}, {'title': 'Step-by-Step OSPF Configuration on Cisco Routers', 'id': 923624705649897736}]}, {'title': 'Labels', 'type': 'Label', 'sectionId': 'side-widget', 'id': 'Label00'}, {'title': 'Table of contents', 'type': 'HTML', 'sectionId': 'side-widget', 'id': 'HTML11'}, {'title': 'Mobile Menu', 'type': 'TextList', 'sectionId': 'mobile-menu', 'id': 'TextList99'}, {'title': '', 'type': 'HTML', 'sectionId': 'footer-widget-1', 'id': 'HTML77'}, {'title': 'Company', 'type': 'LinkList', 'sectionId': 'footer-widget-2', 'id': 'LinkList2'}, {'title': 'Product \x26amp; Service', 'type': 'LinkList', 'sectionId': 'footer-widget-3', 'id': 'LinkList3'}, {'title': 'Support', 'type': 'LinkList', 'sectionId': 'footer-widget-4', 'id': 'LinkList4'}, {'title': 'Credit', 'type': 'HTML', 'sectionId': 'credit-widget', 'id': 'HTML88'}, {'title': 'Back to top', 'type': 'TextList', 'sectionId': 'credit-widget', 'id': 'TextList88'}, {'title': 'Take me back', 'type': 'HTML', 'sectionId': 'error-404', 'id': 'HTML404'}, {'title': 'Cookie Consent', 'type': 'HTML', 'sectionId': 'addons-widget', 'id': 'HTML21'}, {'title': 'AdBlock Detected!', 'type': 'HTML', 'sectionId': 'addons-widget', 'id': 'HTML23'}, {'title': 'Enable JavaScript!', 'type': 'HTML', 'sectionId': 'addons-widget', 'id': 'HTML25'}, {'title': 'Country Block', 'type': 'HTML', 'sectionId': 'addons-widget', 'id': 'HTML26'}]}]);
_WidgetManager._RegisterWidget('_HeaderView', new _WidgetInfo('Header1', 'header-title', document.getElementById('Header1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_BlogSearchView', new _WidgetInfo('BlogSearch1', 'header-search', document.getElementById('BlogSearch1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_ProfileView', new _WidgetInfo('Profile1', 'header-icon', document.getElementById('Profile1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_PageListView', new _WidgetInfo('PageList002', 'nav-widget-1', document.getElementById('PageList002'), {'title': 'Additional Menu', 'links': [{'isCurrentPage': false, 'href': 'https://www.switchfirewall.com/p/sitemap.html', 'id': '2780679564704181123', 'title': 'Sitemap'}, {'isCurrentPage': false, 'href': 'https://www.switchfirewall.com/p/disclaimer.html', 'id': '7145587976885253019', 'title': 'Disclaimer'}, {'isCurrentPage': false, 'href': 'https://www.switchfirewall.com/p/privacy.html', 'id': '8273676553483670962', 'title': 'Privacy'}, {'isCurrentPage': false, 'href': 'https://www.switchfirewall.com/p/terms-conditions.html', 'id': '4596563642745945287', 'title': 'Terms \x26 Conditions'}], 'mobile': false, 'showPlaceholder': true, 'hasCurrentPage': false}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList002', 'nav-widget-1', document.getElementById('LinkList002'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML000', 'nav-widget-2', document.getElementById('HTML000'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList001', 'notif-widget', document.getElementById('LinkList001'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_FeaturedPostView', new _WidgetInfo('FeaturedPost1', 'top-widget', document.getElementById('FeaturedPost1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_BlogView', new _WidgetInfo('Blog1', 'main-widget', document.getElementById('Blog1'), {'cmtInteractionsEnabled': false, 'lightboxEnabled': true, 'lightboxModuleUrl': 'https://www.blogger.com/static/v1/jsbin/2165624756-lbx.js', 'lightboxCssUrl': 'https://www.blogger.com/static/v1/v-css/3681588378-lightbox_bundle.css'}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_PopularPostsView', new _WidgetInfo('PopularPosts00', 'side-widget', document.getElementById('PopularPosts00'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LabelView', new _WidgetInfo('Label00', 'side-widget', document.getElementById('Label00'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML11', 'side-widget', document.getElementById('HTML11'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_TextListView', new _WidgetInfo('TextList99', 'mobile-menu', document.getElementById('TextList99'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML77', 'footer-widget-1', document.getElementById('HTML77'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList2', 'footer-widget-2', document.getElementById('LinkList2'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList3', 'footer-widget-3', document.getElementById('LinkList3'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList4', 'footer-widget-4', document.getElementById('LinkList4'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML88', 'credit-widget', document.getElementById('HTML88'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_TextListView', new _WidgetInfo('TextList88', 'credit-widget', document.getElementById('TextList88'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML404', 'error-404', document.getElementById('HTML404'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML21', 'addons-widget', document.getElementById('HTML21'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML23', 'addons-widget', document.getElementById('HTML23'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML25', 'addons-widget', document.getElementById('HTML25'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML26', 'addons-widget', document.getElementById('HTML26'), {}, 'displayModeFull'));
</script>
</body>
</html>