From mail2web.com Wiki
Can I forward my email to more than one email address?
Answer: No, at this time the mail2web.com Email Forwarding plan supports forwarding to only one email address.
Can I set up multiple email addresses on my Email Forwarding plan?
Answer: No, at this time the mail2web.com Email Forwarding plan includes only a single catch-all forwarder. Therefore, any email sent to your domain name will be forwarded to a single destination address. Someone sending email to your domain can enter anything before the @ symbol in the email address and it will be forwarded.
How can I create email accounts on my Email Forwarding plan?
Answer: The email forwarding plan does not include any email accounts. The only email option available is to forward your email to a different email address. There is a catch-all option which allows you to forward all email received to your domain name to a specific email address. To specify the destination email address, click here.