Apologies for another feature request; especially if it's already on your list - I did look.
If I may, let me first explain how I have set up my affairs regarding email, which all grew out of controlling spam.
I have a mailbox called MyName.Storage@MyDomain. com and this is where all my email ends up.
I then have a number of forwarding email addresses that forward to this mailbox.
For example:
- David@MyDomain. com
- Untrusted.Temp1@MyDomain. com
- Aquamail@MyDomain. com

- Replies@MyDomain. com
- etc, etc...
I have already made use of the 'Reply To' option so when people hit the reply button it comes back to a forwarder, Replies@MyDomain. com
In Outlook on my PC, I can state what my email address is under user information, which is different to my mailbox login information. See attachment if not shown in-line.
I do not seem able to do this in Aquamail and when I send email from Aquamail, although the 'reply to' works fine, it does leave my storage mailbox clearly visible to the recipient. This obviously causes me an issue as I do not want my actual mailbox address displayed or divulged.
Possibly, I have missed a trick, but if not can an option be added to override the login address with a simple piece of text.
I would suggest this should only be allowed in the app config if a valid 'reply to' address is in place.
Thanks,
David
(A licenced user

)