

Click the (+) icon to add a new sending server. Expand the dropdown box next to Outgoing Mail account.Select the forwarding account from the lefthand list.You can do this on the Mail → Preferences → Accounts window, which the last step redirected to. Next, edit this new profile to access our sending server. Please complete the prompts and enter the forwarding address's username and password. You will be directed to log in to the forwarding address's server. If your forwarding address is with iCloud, Microsoft Exchange, Gmail, Yahoo, or AOL, please select the service provider for your forwarding address from the list. If your forwarding address is not with any of the service providers, please skip ahead to Forwarding email provider not listed. The next screen will provide you with a list of options. In the following window, click on the "+" in the bottom left corner:
