Need Help With Email? Ask Your Email Questions Online
Hi, welcome and thank you for your question. My name is ***** ***** I am glad to assist you today.
I am very sorry about your issues. So you can access your Yahoo email using Safari in your Mac. Can you please tell me where do you access it that gave you that error that it is invalid? Did you try to add it in an email program like MS Outlook or Mac Mail?
Please let me know by replying to me here so that I can help you further.