[Dovecot] discarding vacation response for message implicitly delivered

[Metro Domain Admin]

On 3/22/13 12:23 AM, dovecot at noboost.org wrote:
> Challenge:
> Does anyone have an explination regarding this message?
>
>
> -------------------------------------------------------------------
> "Mar 22 12:15:22 chtvm dovecot: lmtp(7004, cht): C+EZBuObS1FcGwAAlnPEfg:
> sieve: msgid=<20130322011522.6D55D40389 at chtvm.noboost.org>:
> discarding vacation response for message implicitly delivered to
> <cht at vacation.noboost.org>"
> -------------------------------------------------------------------
>
It seems like Postfix is stripping the domain from the destination 
address. The envelope address (reduced to just "cht" as LMTP receives 
it), needs to be among the recipients in the headers. it's not, so 
Dovecot assumes "cht" was a BCC recipient and suppresses the vacation 
response.