K-9 Mail v6.801

What's Changed

• Added DNSSEC support when looking for server settings during setup
• Made a change to prevent some software keyboards from capitalizing/auto-correcting email addresses in account setup
• Fixed a crash when a very long subject was used
• Fixed displaying OAuth 2.0 error messages
• Fixed rare crash when downloading an attachment
• Added code to disallow line breaks in single line text inputs
• Updated translations

Full Changelog: 6.800...6.801