Can Apple Mail be set up to reply to same address message was sent to without having to manually select?

Question

Is there a way to set up Apple Mail so it replies from the same address the message was sent to without having to manually select which email address I'm sending it from? I have multiple Gmail accounts that I forward to one main account and in Gmail it's possible to do this. It's great and super easy. Since I started using the Mail program, I'm constantly sending email from the wrong address and as far as I can tell (which doesn't mean too much) there is no way to prevent this in Apple Mail.
Can anyone help, or at least confirm that there is no actual way to do this? It seems like such a simple option to have, and yet...I dont' see that it's possible.
Thanks!

Answer 1

I'm thinking an Applecript might do it.  I am assuming you have all those email accounts set up in Mail so that you can send from them.  I'm no Applescript guru but I've thrown this together from some stuff found around the Internet. I doubt it is very robust but give it a shot and tell me if it does what you are asking. I'm sure it could be improved.
This particular script replies to all recipients. Find the line with "and reply to all" and delete those words for a it to be a simple reply.
If you haven't used Applescript, open the Applescript Editor app, copy the script from below, paste it in, compile it. Select an email message then run it. If this works for you, the next step is to create a service from it and give it a keyboard shortcut.
-- Purpose of this script is to send an email response from the account
-- that received the email.  This is mainly useful for mail that has been
-- forwarded to another account and you wish to reply from the original
-- account.
tell application "Mail"
  -- must have an email message selected/open.
          set theSelection to selection
          if theSelection is {} then return
  activate
          set theMessage to item 1 of theSelection
          set theRecipients to the recipients of theMessage
  -- Search the recipients and find one that matches up with one of your email accounts
          set theSendingAccount to ""
          repeat with i from 1 to (count of items of theRecipients)
                    repeat with j from 1 to (count of email addresses of every account)
                              if (address of item i of theRecipients) = (email addresses of account j as string) then set theSendingAccount to (email addresses of account j as rich text)
                    end repeat
          end repeat
  -- If a match was found, create a reply from that account
          if theSendingAccount ≠ "" then
                    set theOutgoingMessage to reply theMessage with opening window and reply to all
                    set sender of theOutgoingMessage to theSendingAccount
          end if
end tell