[Dovecot] Dovecot LDA/LMTP vs postfix virtual delivery agent and the x-original-to header

[Timo Sirainen]

On 5.4.2012, at 15.59, Charles Marcus wrote:

> Does anyone know if the use of LMTP (or even the dovecot LDA) still loses the x-original-to header that the postfix vda adds and that I rely heavily on (since I use a lot of aliases), and if it does, is there any solution to get the original recipient added back in before final delivery?

LMTP adds a new Delivered-To: <rcpt-to at address> header when there is a single RCPT TO. You can force a single RCPT TO from Postfix side by setting lmtp_destination_recipient_limit=1. LMTP doesn't add/remove/change X-Original-To: header.