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If you've just updated MX records, expect spotty email delivery until propagation completes. Some providers like Cloudflare are pretty quick (usually a few minutes).",[79,171,173],{"id":172},"using-subdomains","Using Subdomains",[84,175,176],{},"Subdomains work the same way as root domains.",[88,178,180],{"id":179},"subdomain-email-setup","Subdomain Email Setup",[93,182,183,195],{},[96,184,185],{},[99,186,187,189,191,193],{},[102,188,104],{},[102,190,107],{},[102,192,110],{},[102,194,113],{},[115,196,197,208],{},[99,198,199,201,204,206],{},[120,200,122],{},[120,202,203],{},"test",[120,205,128],{},[120,207,131],{},[99,209,210,212,215,217],{},[120,211,122],{},[120,213,214],{},"support",[120,216,128],{},[120,218,131],{},[84,220,221,222,226,227,230],{},"In this example, both ",[223,224,225],"code",{},"test.example.com"," and ",[223,228,229],{},"support.example.com"," would be configured to receive email.",[88,232,234],{"id":233},"why-use-subdomains","Why Use Subdomains?",[236,237,238,245,248],"ul",{},[239,240,241,242,244],"li",{},"Keep your root domain on its real email provider while ",[223,243,225],{}," receives in the sandbox",[239,246,247],{},"Separate concerns per subdomain (notifications, support, billing)",[239,249,250],{},"Test email configurations without touching your main domain's reputation",[165,252,253],{},[84,254,255,256,226,258,261],{},"Each subdomain must be added separately before configuring its MX records. For example, to use ",[223,257,229],{},[223,259,260],{},"billing.example.com",", you need to add both domains individually in your dashboard.",[88,263,265],{"id":264},"setting-up-a-subdomain","Setting Up a Subdomain",[84,267,268,269,272],{},"Let's say you want emails to arrive at ",[223,270,271],{},"help@support.example.com",":",[137,274,275,281,294,300,303,329,335,341,347],{"level":139},[141,276,278],{"id":277},"add-the-subdomain-in-dashboard",[145,279,280],{},"Add the subdomain in dashboard",[84,282,283,284,290,291,293],{},"Go to the ",[285,286,289],"a",{":target":287,"href":288},"\\_blank","\u002Fdomains","Domains"," section of your dashboard and add ",[223,292,229],{}," as a new domain",[141,295,297],{"id":296},"configure-dns-for-the-subdomain",[145,298,299],{},"Configure DNS for the subdomain",[84,301,302],{},"Add an MX record for your subdomain:",[93,304,305,317],{},[96,306,307],{},[99,308,309,311,313,315],{},[102,310,104],{},[102,312,107],{},[102,314,110],{},[102,316,113],{},[115,318,319],{},[99,320,321,323,325,327],{},[120,322,122],{},[120,324,214],{},[120,326,128],{},[120,328,131],{},[141,330,332],{"id":331},"create-a-new-account",[145,333,334],{},"Create a new Account",[84,336,337,338,340],{},"Create a new account and select the ",[223,339,229],{}," as the domain name",[141,342,344],{"id":343},"wait-for-dns-propagation",[145,345,346],{},"Wait for DNS propagation",[84,348,349,350],{},"Once DNS propagation completes, you can receive emails at any address ",[223,351,352],{},"@support.example.com",[88,354,356],{"id":355},"troubleshooting","Troubleshooting",[84,358,359],{},"If emails aren't arriving after updating your MX records:",[137,361,362,368,378,384],{"level":139},[141,363,365],{"id":364},"verify-your-dns-configuration",[145,366,367],{},"Verify your DNS configuration",[84,369,370,371,377],{},"Check your MX setup using ",[285,372,376],{":target":287,"href":373,"rel":374},"https:\u002F\u002Ftoolbox.googleapps.com\u002Fapps\u002Fdig\u002F#MX\u002F",[375],"nofollow","Google's DNS Toolbox"," by entering your domain name. This tool will confirm if your MX record is correctly configured and visible across the internet.",[141,379,381],{"id":380},"ensure-single-mx-record-configuration",[145,382,383],{},"Ensure single MX record configuration",[84,385,386,387,389],{},"Your domain should have only one MX record pointing to ",[223,388,128],{},". Multiple or competing MX records will interfere with proper mail delivery. Remove any existing MX records from previous email providers before adding ours.",[84,391,392],{},"If problems persist, please contact our support team for additional assistance.",{"title":394,"searchDepth":395,"depth":395,"links":396},"",2,[397,403],{"id":81,"depth":395,"text":82,"children":398},[399,401,402],{"id":90,"depth":400,"text":91},3,{"id":134,"depth":400,"text":135},{"id":162,"depth":400,"text":163},{"id":172,"depth":395,"text":173,"children":404},[405,406,407,408],{"id":179,"depth":400,"text":180},{"id":233,"depth":400,"text":234},{"id":264,"depth":400,"text":265},{"id":355,"depth":400,"text":356},"Setting up MX records for inbound email delivery","md",{},{"title":14},{"title":74,"description":409},"xFEKo6I2MPk4QygjoOwq7Y8pbCwPhqdLjfdF0f3SpXc",[416,418],{"title":5,"path":6,"stem":7,"description":417,"children":-1},"Point an MX record at mx.smtp.dev, create an account, and send your app's first test email. Read it over IMAP, POP3, API, or the web UI.",{"title":18,"path":19,"stem":20,"description":419,"children":-1},"Host, port, and security settings for IMAP, POP3, and SMTP. Which protocol to pick, and webmail access without installing a client.",1785703600099]