Is it possible to forward mail from one existing mailbox to another? Aliases do not allow mail forwarding from existing mailboxes.
If i create mailbox firstname.lastname@example.org, create mailbox email@example.com and trying to create alias from firstname.lastname@example.org to email@example.com it writes:
“firstname.lastname@example.org is already known as an alias, a mailbox or an alias address expanded from an alias domain.”
Sieve filters are not being suitable for me due to the inconvenience of use