Today I encountered an odd scenario and don’t know where to begin to start debugging (recommendations welcome). I received an email this morning that shows up in Thunderbird and in Roundcube but does not show up in Android (using Gmail with Exchange/Activesync account). Has anyone run into this scenario before?
I think you mean that it isn’t working with your Gmail configuration. Android, the OS, probably works just fine.
You probably just need to tweak your Gmail configuration or you can also switch to a different client, which comes with the advantage of not sharing all of your email with Google.