I have been using an alias on my gmail business account for years. Today I tried to send an email from it and got back an error message:
You no longer have access to *****. To send this email, choose a different ‘from’ address and try again
If I try to send an email, this alias is listed in available from options. If I go into my account settings, it is still listed as an alias.
What's going on? I use this alias almost as much as the main email address itself.