{"version":"1.0","provider_name":"Mailrelay","provider_url":"https:\/\/mailrelay.com\/en\/","author_name":"Jose Argudo","author_url":"https:\/\/mailrelay.com\/en\/blog\/author\/jose\/","title":"SMTP in WordPress: how to set it up step by step (2026)","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Csgd2MyHFB\"><a href=\"https:\/\/mailrelay.com\/en\/blog\/2026\/10\/27\/wordpress-smtp\/\">How to set up SMTP in WordPress so your emails get delivered<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/mailrelay.com\/en\/blog\/2026\/10\/27\/wordpress-smtp\/embed\/#?secret=Csgd2MyHFB\" width=\"600\" height=\"338\" title=\"&#8220;How to set up SMTP in WordPress so your emails get delivered&#8221; &#8212; Mailrelay\" data-secret=\"Csgd2MyHFB\" 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:\/\/mailrelay.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/mailrelay.com\/wp-content\/uploads\/2026\/10\/smtp-wordpress-destacada.jpg","thumbnail_width":1536,"thumbnail_height":864,"description":"Why WordPress doesn't send emails or they end up in spam, which SMTP plugin to choose and how to set up SMTP in WordPress step by step, with the most common errors."}