iCloud: Reply to or forward email in Mail on iCloud.com
Reply to or forward an email
To reply to the message you’re reading: In Mail on iCloud.com, click the Reply button, then choose Reply or Reply All.
Choosing Reply All sends your response to the sender and all of the original recipients of the message.
To forward a message to one or more recipients: In Mail on iCloud.com, select the message in your message list, click the Reply button in the toolbar, choose Forward, then type the email addresses.
You can also choose Forward as Attachment to have the original message attached as an EML file to the new message.
Include original attachments
You can include original attachments when replying to a message or forwarding it to a new recipient.