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 email@example.com, create mailbox firstname.lastname@example.org and trying to create alias from email@example.com to firstname.lastname@example.org it writes:
“email@example.com 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