Mutt is not available for Android but there are a few alternatives with similar functionality. The best Android alternative is Microsoft Office Outlook. It's not free, so if you're looking for a free alternative, you could try EmailTray or ProfiMail. If that doesn't suit you, our users have ranked more than 50 alternatives to Mutt and four of them are available for Android so hopefully you can find a suitable replacement.
EmailTray is a smart email client and an email notifier for POP3 and IMAP email accounts, including Gmail, Hotmail, Yahoo mail and AOL. EmailTray intelligently ranks messages, prioritizes them into 4 Inboxes and alerts you only to the most important.
ProfiMail is a powerful email client for mobile phones. It allows you to read your mail on the go, and send text with attachments directly from your phone. Send photos, recorded sound or simply text messages to friends, from anywhere.