Unable to add email to?

Question

Unable to add valid email addresses to receive email from the group

Enter the email address you would like to use to join YahooGroup. After you click on the Continue button, you will be asked to complete email verification. Verification ensures that you are the owner of the email address.

Please enter a valid email address

Email address:

Example: [e-mail]

Answer 1

yahoo groups have filters and wont let certain addresses be added since many of them are used for spamming, for example info.com cant be added.

see if the person has a different address