[{"data":1,"prerenderedAt":170},["ShallowReactive",2],{"blog-email-deliverability-pain-points":3},{"id":4,"title":5,"author":6,"body":7,"date":147,"description":148,"draft":149,"extension":150,"image":151,"keywords":152,"meta":160,"modified":147,"navigation":161,"path":162,"seo":163,"stem":164,"tags":165,"__hash__":169},"blog\u002Fblog\u002Femail-deliverability-pain-points.md","Why Email Deliverability Is Still Broken in 2025","haile37",{"type":8,"value":9,"toc":137},"minimark",[10,14,19,22,35,38,42,45,66,70,76,80,83,94,97,101,104,121,124,128],[11,12,13],"p",{},"Every week I talk to developers who ship transactional emails and assume the job is done after they paste an SPF record into DNS. Three months later, their password-reset emails land in spam and they have no idea why.",[15,16,18],"h2",{"id":17},"the-silent-failure","The silent failure",[11,20,21],{},"Unlike a 500 error that fires immediately, email deliverability degrades gradually:",[23,24,25,29,32],"ul",{},[26,27,28],"li",{},"A new DMARC policy at a major mailbox provider tightens rejection rules.",[26,30,31],{},"A shared IP pool gets flagged because another tenant sent spam.",[26,33,34],{},"An SPF record grows past the 10-lookup limit and silently breaks.",[11,36,37],{},"None of these send you an alert. You find out when a customer tweets that they never received your invoice.",[15,39,41],{"id":40},"what-the-current-tooling-misses","What the current tooling misses",[11,43,44],{},"Existing solutions fall into two camps:",[46,47,48,55],"ol",{},[26,49,50,54],{},[51,52,53],"strong",{},"One-off checkers"," — You paste a domain, get a result, and never check again. There's no monitoring.",[26,56,57,60,61,65],{},[51,58,59],{},"Enterprise mail platforms"," — Postmark, SendGrid, and Mailgun have dashboards, but they only show data for mail ",[62,63,64],"em",{},"sent through them",". If your domain is used for phishing by a third party, you won't see it.",[15,67,69],{"id":68},"the-pain-point-in-one-sentence","The pain point in one sentence",[71,72,73],"blockquote",{},[11,74,75],{},"Developers have no way to be alerted when their domain's email authentication breaks — until a customer complains.",[15,77,79],{"id":78},"what-a-solution-looks-like","What a solution looks like",[11,81,82],{},"A lightweight background service that:",[23,84,85,88,91],{},[26,86,87],{},"Checks SPF, DKIM, and DMARC records on a schedule.",[26,89,90],{},"Alerts via Slack\u002Femail when something changes or breaks.",[26,92,93],{},"Shows a clear history so you can correlate policy changes with delivery drops.",[11,95,96],{},"Until automated monitoring is in place, the best defense is regular manual checks and a recurring reminder to re-verify your DNS records after any infrastructure change.",[15,98,100],{"id":99},"quick-self-check-right-now","Quick self-check right now",[11,102,103],{},"You can verify your current setup using the free tools on this site:",[23,105,106,114],{},[26,107,108,113],{},[109,110,112],"a",{"href":111},"\u002Ftools\u002Fspf-checker","SPF Checker"," — validate your SPF record and lookup count",[26,115,116,120],{},[109,117,119],{"href":118},"\u002Ftools\u002Fdmarc-checker","DMARC Checker"," — inspect your DMARC policy and alignment",[11,122,123],{},"If either of those reveals something broken, fix it immediately — and schedule a monthly re-check, because DNS records change without warning.",[15,125,127],{"id":126},"related-reading","Related reading",[23,129,130],{},[26,131,132,136],{},[109,133,135],{"href":134},"\u002Fblog\u002Fdocker-container-alerts-missing","Docker Containers Die Quietly — And Nobody Gets Paged"," — another silent production failure pattern",{"title":138,"searchDepth":139,"depth":139,"links":140},"",2,[141,142,143,144,145,146],{"id":17,"depth":139,"text":18},{"id":40,"depth":139,"text":41},{"id":68,"depth":139,"text":69},{"id":78,"depth":139,"text":79},{"id":99,"depth":139,"text":100},{"id":126,"depth":139,"text":127},"2025-06-01","Most developers configure SPF and DMARC once and forget them — until emails start bouncing. Learn why email authentication fails silently and how to monitor it.",false,"md",null,[153,154,155,156,157,158,159],"SPF record","DMARC policy","DKIM","email authentication","transactional email","DNS monitoring","email deliverability",{},true,"\u002Fblog\u002Femail-deliverability-pain-points",{"title":5,"description":148},"blog\u002Femail-deliverability-pain-points",[166,167,168],"email","deliverability","pain-point","oBcj7LiKfxI18Kz6nsIX8noIi7f677a9JsN7N0xDxNo",1781441628655]