{"id":22585,"date":"2018-12-12T00:00:00","date_gmt":"2018-12-12T00:00:00","guid":{"rendered":"https:\/\/www.mailgun.com\/blog\/2018-resumen-entregabilidad-mailgun-milagros-festivus\/"},"modified":"2026-09-15T23:52:32","modified_gmt":"2026-09-15T23:52:32","slug":"2018-resumen-entregabilidad-mailgun-milagros-festivus","status":"publish","type":"blog","link":"https:\/\/www.mailgun.com\/es\/blog\/deliverability\/2018-resumen-entregabilidad-mailgun-milagros-festivus\/","title":{"rendered":"Resumen de entregabilidad de 2018: los milagros del Festivus de Mailgun"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Festivus is fast upon us, in fact, it\u2019s in a few days. We\u2019ve taken the time to air our grievances over\u00a0<a href=\"https:\/\/www.mailgun.com\/es\/blog\/mailgun-festivus-the-airing-of-grievances-for-black-friday-marketing-emails\" target=\"_tabs\" rel=\"noopener noreferrer\">Black Friday emails<\/a>\u00a0and how\u00a0<a href=\"https:\/\/www.mailgun.com\/es\/blog\/yahoo-aol-throttling-mailgun-festivus-airing-grievances-part-two\" target=\"_tabs\" rel=\"noopener noreferrer\">Yahoo and AOL slowed down sending<\/a>\u00a0this year, but we still haven\u2019t quite found our miracle yet. We aren\u2019t entirely sure we\u2019ll find one, but there is something to be said about a thoughtful reflection on the past year. Some things changed, a lot of things didn\u2019t, but everything that did and didn\u2019t happen have everything to do with your deliverability.<\/p>\n\n<p class=\"wp-block-paragraph\">In all honesty, not a lot has changed over the past year when it comes to deliverability. We would love to say that there was some massive miracle like the discovery of a bat phone that led us straight to mailbox providers around the world so we could resolve your email delivery issues immediately with just a phone call. Unfortunately, that didn\u2019t happen and most certainly never will, but we can all dream a little bit, right?<\/p>\n\r\n    <nav data-content-type=\"longform\" class=\"toc-block longform-spacings px-5 py-6 px-md-6 px-lg-7 py-md-7 bg-light fs-sm rounded-lg\" aria-labelledby=\"toc-title-1354\"><p class=\"h5 m-0\" id=\"toc-title-1354\">\u00cdndice<\/p><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">01<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#miracle-1-dmarc-adoption\">Miracle #1 \u2013 DMARC Adoption<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">02<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#miracle-2-universal-feedback-loop\">Miracle #2 \u2013 Universal Feedback Loop<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">03<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#miracle-3-gdpr-day\">Miracle #3 \u2013 GDPR day<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">04<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#wrapping-it-all-up\">Wrapping it all up<\/a><\/div><\/div><\/nav>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-4497\" width=\"512\" height=\"269\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/batmanphone.png\" alt=\"batmanphone\" srcset=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/batmanphone.png 512w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/batmanphone-300x158.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">Ok, so back to reality. The truth is that the same core principles hold true.\u00a0<a href=\"https:\/\/documentation.mailgun.com\/en\/latest\/best_practices.html\" target=\"_tabs\" rel=\"noopener noreferrer\">Email Best Practices<\/a>are still king. Send great content to people that want your emails and you will have great deliverability. Try to push your luck and send emails to people that didn\u2019t opt-in to receive your messages, not so much.<\/p>\n\n<p class=\"wp-block-paragraph\">The thing is, there aren\u2019t any shortcuts or ways to \u201cgame\u201d the system. Trust us, spammers have tried them all and mailbox providers know about it. If you do \u201ctry\u201d something similar, you too will look like a spammer and be punished like one. So please don\u2019t get caught up in that mess.<\/p>\n\n<p class=\"wp-block-paragraph\">This is a post on miracles though so we gotta talk about some small miracles from the past year!<\/p>\n\n<h2 class=\"wp-block-heading\">Miracle #1 \u2013 DMARC Adoption<\/h2>\n\n<p class=\"wp-block-paragraph\">One thing that has been great to see over the last year was the\u00a0<a href=\"https:\/\/www.mailgun.com\/es\/blog\/domain-reputation-and-dmarc\" target=\"_tabs\" rel=\"noopener noreferrer\">increased adoption of DMARC<\/a>. It\u2019s been a slow go and rightfully so, setting up DMARC policies for your sending domains can be a daunting task after all. However, we\u2019ve seen more and more senders protecting their domains against malicious actors through the creation of DMARC policies.<\/p>\n\n<p class=\"wp-block-paragraph\">This is something we expect to continue in 2019. If you haven\u2019t already done so, we strongly recommend that you adopt DMARC. As a bonus, DMARC can help with your deliverability! If you aren\u2019t protected, people could be spoofing your domain and damaging your reputation without you even knowing it.<\/p>\n\n<h2 class=\"wp-block-heading\">Miracle #2 \u2013 Universal Feedback Loop<\/h2>\n\n<p class=\"wp-block-paragraph\">Our friends at Return Path really did us a solid with the release of their\u00a0<a href=\"https:\/\/fbl.returnpath.net\/\" target=\"_tabs\" rel=\"noopener noreferrer\">Universal Feedback Loop<\/a>. For those that don\u2019t know what a feedback loop is, it basically lets us know when a complaint has been registered against one of our sending IPs. The participating mailbox provider will send us what they call an Abuse Reporting Format (ARF) report that contains information related to the message that was complained against. We then take that information and process the complaint, and that\u2019s how email addresses get added to your complaints suppression list in Mailgun.<\/p>\n\n<p class=\"wp-block-paragraph\">This is why feedback loops are so important to us and you as a sender. If we didn\u2019t get this information, you would continually email recipients that have complained against you previously which would kill your reputation and deliverability. What Return Path did was make a painful and time-consuming process easier, and that is a Festivus miracle we can get behind.<\/p>\n\n<p class=\"wp-block-paragraph\">Something that was once an 18 (that\u2019s how many mailbox providers partner with Return Path) step process, now only takes 1 step when we need to add new IPs. So thank you Return Path, thank you.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-4498\" width=\"500\" height=\"437\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/highfive.png\" alt=\"highfive\" srcset=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/highfive.png 500w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/highfive-300x262.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">Miracle #3 \u2013 GDPR day<\/h2>\n\n<p class=\"wp-block-paragraph\">You can\u2019t end 2018 without mentioning\u00a0<a href=\"https:\/\/www.mailgun.com\/es\/blog\/gdpr-is-coming\" target=\"_tabs\" rel=\"noopener noreferrer\">GDPR<\/a>. May 25, 2018, was a date that concerned a lot of people and rightfully so, since everyone had to take their big beautiful email lists and toss them out the window. If you\u2019re thinking about that brief period of time where every company was sending out \u201cwe\u2019ve updated our privacy terms\u201d then yes, you\u2019re thinking of\u00a0<a href=\"https:\/\/www.mailgun.com\/es\/blog\/explicit_consent\" target=\"_tabs\" rel=\"noopener noreferrer\">GDPR.<\/a><\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-4499\" width=\"512\" height=\"234\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/privacyjedi.png\" alt=\"privacyjedi\" srcset=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/privacyjedi.png 512w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/privacyjedi-300x137.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">It wasn\u2019t easy. A lot of senders ended up fighting blacklists, but that\u2019s to be expected when you send a re-permission campaign to old lists. It\u2019s hard for teams to take a big, beautiful, engaged list and then toss it out the window (our marketing team had a hard time with it too). Overall, senders survived. They cleaned up their lists, updated privacy policies, and overall are in a better place because of GDPR. While it might seem like we\u2019re making light of this, data privacy is a topic everyone should be interested in.<\/p>\n\n<h2 class=\"wp-block-heading\">Wrapping it all up<\/h2>\n\n<p class=\"wp-block-paragraph\">All in all, 2018 was a good year for email. We had some ups and downs, but the core of sending remained the same. That isn\u2019t a bad thing though, because that allows everyone to get their sending done right and stick to best practices that aren\u2019t going anywhere any time soon. 2019 is bound to follow a similar path, and we\u2019ll have a whole other list of grievances when the time comes.<\/p>\n\r\n    <aside data-content-type=\"longform\"  class=\"banner-block longform-spacings rounded-lg shadow-lg px-5 py-6 px-md-6 py-md-7 p-lg-7 bg-light\" data-theme=\"dark\" aria-labelledby=\"banner-block-block_c51051fe994c6a0a2221a27193e9bc71\">\r\n                    <p class=\"text-uppercase section-caption text-body-color\">\r\n                Let&#8217;s talk email            <\/p>\r\n                            <p class=\"h4 text-accent fw-bold\" id=\"banner-block-block_c51051fe994c6a0a2221a27193e9bc71\">\r\n                Learn about our deliverability services            <\/p>\r\n                            <div class=\"mb-0 text-body-color\">\r\n                                    <div class=\"content-body mb-0 text-body-color\">See what you can accomplish with the world&#x27;s best email delivery platform and experts at your disposal.<\/div>\r\n                            <\/div>\r\n        \r\n        <div class=\"text-start mt-5\"><a href=\"https:\/\/www.mailgun.com\/es\/contacto\/ventas\/\"  class=\"btn btn-secondary\" >Talk to an expert today<\/a><\/div>\r\n    <\/aside>\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>El Festivus ya casi est\u00e1 aqu\u00ed; de hecho, es dentro de unos d\u00edas. Nos hemos tomado el tiempo de expresar nuestras quejas sobre los emails del Black Friday y c\u00f3mo Yahoo y AOL ralentizaron los env\u00edos este a\u00f1o, pero a\u00fan no hemos encontrado nuestro milagro. No estamos del todo seguros de encontrar uno, pero vale la pena hacer una profunda reflexi\u00f3n sobre el a\u00f1o pasado. Algunas cosas han cambiado, muchas no, pero todo lo que ha ocurrido y lo que no est\u00e1 estrechamente relacionado con tu entregabilidad.<\/p>\n","protected":false},"author":20,"featured_media":4376,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"blog_category":[21],"class_list":["post-22585","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-deliverability"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Resumen de entregabilidad de 2018: milagros de Festivus - Transactional Email API Service For Developers | Mailgun<\/title>\n<meta name=\"description\" content=\"Algunas cosas han cambiado, muchas no, pero todo lo que ha ocurrido y lo que no est\u00e1 estrechamente relacionado con tu entregabilidad. M\u00e1s informaci\u00f3n -\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mailgun.com\/es\/blog\/deliverability\/2018-resumen-entregabilidad-mailgun-milagros-festivus\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Resumen de entregabilidad de 2018: milagros de Festivus - Transactional Email API Service For Developers | Mailgun\" \/>\n<meta property=\"og:description\" content=\"Algunas cosas han cambiado, muchas no, pero todo lo que ha ocurrido y lo que no est\u00e1 estrechamente relacionado con tu entregabilidad. 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