You can find the settings as follows:
- Click the gear in the upper right and select Settings.
- Click Writing email at the left, then make sure you have the desired font and other sending settings. Next click Accounts (see the note at the bottom).
- Click your default Yahoo account (probably the top item) and make changes to your signature.
- Click Save at the bottom.
It's a horrible user interface with far too many ads for me to use. It's also one of the most unreliable email systems I have ever used. I just sent several test messages.
- The first test message arrived in 3 seconds.
- The second test message was delayed between internal Yahoo servers for 3 minutes. It then took 2 additional seconds for delivery to the recipient.
- The third test message stuck 16 minutes between internal Yahoo servers, then a few seconds for actual delivery.
- I sent the fourth test message to a different destination (Gmail) and it was stuck for 18 minutes inside Yahoo.
- The fifth test message was stuck 30 minutes inside Yahoo.
This happens from time to time. Yahoo is very unreliable and often slow!
Bill