{"version":"1.0","provider_name":"Blog de Acumbamail","provider_url":"https:\/\/acumbamail.com\/blog","author_name":"Pablo D\u00edaz","author_url":"https:\/\/acumbamail.com\/blog\/author\/pablo\/","title":"Certified Email: What It Is and How to Use It with Legal Validity","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"oypFw3MQ5s\"><a href=\"https:\/\/acumbamail.com\/blog\/en\/certified-email\/\">What is a Certified Email, When to Use It, and How to Send It with Legal Validity<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/acumbamail.com\/blog\/en\/certified-email\/embed\/#?secret=oypFw3MQ5s\" width=\"600\" height=\"338\" title=\"\u00abWhat is a Certified Email, When to Use It, and How to Send It with Legal Validity\u00bb \u2014 Blog de Acumbamail\" data-secret=\"oypFw3MQ5s\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/acumbamail.com\/blog\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/acumbamail.com\/blog\/wp-content\/uploads\/2025\/07\/opengraph-blog.jpg","thumbnail_width":1920,"thumbnail_height":1080,"description":"In the daily operations of any company or professional, email has become the default channel for communicating with clients, suppliers, employees, and collaborators. It is used to send quotes, notices, contractual changes, internal notifications, or simple reminders. However, this normalization of email has created a false sense of security: just because a message has been [&hellip;]"}