+1 to this. Spam filtering is a must have nowadays. Thunderbird for Android should feature a spamfilter similar to the one in Thunderbird Desktop. Or at least a blacklist to move messages from unwanted senders directly into the Spam or Trash folder...
Honestly, this should not even be an idea for a feature request.This should be filed as a Major bug: "Message List pane does not allow to show the email address of the sender".As already said, it leaves the door whole open to phishing and scams. It ...