K-9 Mail 9.0b3

New:

• Hyperlink added to Thunderbird website on funding page

Changed:

• Use autoconfig server after MX lookup for email providers

Contributors:

• @shrimprugbysnowowl made their first contribution in #8634
• Thanks you also to @coreycb, @cketti, @inattee, @kewisch, @marcRDZ, @shamim-emon and @wmontwe