# Mailpit doesn't work (404 error) **URL:** \ **Category:** Support\ **Tags:** mac\ **Created:** [July 9, 2025, 6:07pm UTC](https://community.localwp.com/t/mailpit-doesnt-work-404-error/50843 "2025-07-09T18:07:01Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Nick-B](https://sea1.discourse-cdn.com/flex019/user_avatar/community.localwp.com/nick-b/32/16140_2.png) [@Nick-B](https://community.localwp.com/u/Nick-B)\ **Post date:** [July 9, 2025, 7:39pm UTC](https://community.localwp.com/t/mailpit-doesnt-work-404-error/50843/2 "2025-07-09T19:39:31Z")
Hey @Jessy! You’ll probably want to double check that you are actually on the Apple Silicon version of Local and not using the Intel version. > [@Local Slow on Mac](https://community.localwp.com/t/local-slow-on-mac/49784/31): > > So, anyone who has encountered this problem on a Mac with M (apple silicon). The solution is to manually update the program to the Apple Silicon version ([Releases - Local](https://localwp.com/releases/)). The problem was that when the program automatically updated, the Intel version was loaded. For Mailpit you can try this after checking you have the right version: > [@MailPit not starting On OSX](https://community.localwp.com/t/mailpit-not-starting-on-osx/41889/6): > > Thanks for sharing your sites.json, @sebastian. It looks correct to me. One thing you can try is to force Local to recopy the mailpit binary on startup (steps below assume macOS, Windows users reading this should [follow these instructions instead](https://community.localwp.com/t/missing-mailpit/41815/4)). Stop any running sites. Quit Local. Open the Finder and choose Go → Go To Folder… Enter ~/Library/Application Support/Local/lightning-services and press Enter. Delete the folder named ‘mailpit-1.12.1+0’, but leave the Finder window open. Make sure … --- _[View the full topic](https://community.localwp.com/t/mailpit-doesnt-work-404-error/50843)._