Outlook 2010: Server Rejected your Login Updated on April 23, 2026 by Carrie Smaha 0 Minutes, 36 Seconds to Read Email Client: Microsoft Outlook 2010 Error Message: Your e-mail server rejected your login. Verify your user name and password for this account in Account Settings Solution: Close the window and edit your username and password in Account Settings. To get to your account settings, click on file in the upper left hand corner. Then click Account Settings. Please refer to the Outlook 2010 set up guide for more information on setting up Outlook 2010 to check your email. What is the correct username?Your user name should be your full email address, in all lowercase. This should be the same credentials for both incoming and outgoing mail servers. We also have a helpful guide on Outlook 2010 Error: Security certificate cannot be verified. Share this Article Carrie Smaha Senior Manager Marketing Operations Carrie Smaha is a Senior Marketing Operations leader with over 20 years of experience in digital strategy, web development, and IT project management. She specializes in go-to-market programs and SaaS solutions for WordPress and VPS Hosting, working closely with technical teams and customers to deliver high-performance, scalable platforms. At InMotion Hosting, she drives product marketing initiatives that blend strategic insight with technical depth. More Articles by Carrie Related Articles How to Setup Office 365 DNS Records How to Setup Outlook 2016 for Mac Issues with Outlook 2007 Running on Windows 10 Outlook not working after installing Windows 10 IMAP Issues Affecting Outlook 2013 and Office 365 Outlook 2013/Office 365 – Subscribing to your Inbox How to create an email signature in Outlook 2003 How to create an email signature for Mac in Outlook 2011 How to create an email signature in Outlook 2007 How to create an email signature in Outlook 2010
