How to get original recipient from Postfix when using LMTP?

MRob mrobti at
Tue May 21 21:24:46 EEST 2019

Many people prefer to use LMTP for delivery from postfix for better 
efficiency but X-Original-to header support still missing after many 
years. One affect of this is need to set 
sieve_vacation_dont_check_recipient = yes which violate Sieve standard 
and cause auto-replyies sent to messages that should not happen. Or 
abandon LMTP. or abandon postfix??

So while feature request is stalled are there any realistic workarounds?

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