All CollectionsMX user informationNew user infoNew user info16 articlesWhat is MX?An introduction to MX and MX+MX prerequisitesFind out more about prerequisites / limits for MXDo I need to install any software to work with MX?Are there any size limitations or restrictions with MX?Find out more about transaction size / numbersGetting started.Signing in for the first time, Setting up MFA, Sending data and downloading data.What is my usernameWhy can't I log-inHow to contact MX administratorsIf you need to request a new account, account deletion, MFA reset, export or activity export, or downloads, talk to an adminHow do I view old transaction history?How to view transactions that you have sent or received in the pastOne of my customers already works with MX; what does that mean to me?How do we integrate with multiple companies using MXCan I reply to a MX transaction?How does a MX and MX+ transaction differHow do I find out more about MX security?Find out more about the security / architecture of MXWhich email addresses does MX use?Find out where MX emails are sent fromHow does MX handle my personal info?Understand what MX uses, how it is used and how to remove dataTroubleshooting issuesFor issues with uploads, downloads, Personal Groups or searching activityWhy do I see a 500 error?Learn more about the 500 error and how to avoid itCan I see a user's email address?Find the email address for the person who sent you data