• Open the Mail app on your Android device.
• Go to Settings > Accounts and select your email account.
• Tap Account Settings and go to Incoming settings.
• Check your Username:
  • If it’s "myusername," change it to "myusername@meganet.net".
• Ensure the Incoming server is set to: mail.meganet.net.
• Go back and select Outgoing settings:
  • Check your Username again, and if it’s "myusername," append "@meganet.net" to make it "myusername@meganet.net."
  • Ensure the Outgoing server is set to: smtp.meganet.net.
• Tap Done to save your settings.