Is it possible to automatically move incoming requests from one mailbox to another so that when we respond to a request the response is coming from another mailbox?
The motivation for this is:
We have an old support e-mail address at one provider and a new official support email address at another.
While we like to only use the new one, we would like to have a transition phase where incoming mails on the old address still gets handled.
We tried to simply se up forwarding from the old mail server to the new, but most off the forwarded e-mail are being rejected due to SPF. policies from the customer e-mail server.
Our goal is that all outgoing mail always have the new address and that we do not need to change the mailbox manually