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I am trying to link up a dummy email address to two different email addresses:
contact@example.com -> user1@example.com and user2@example.com
This would mean that mail sent to contact@example.com would also get BCC'd or forwarded to user1@example.com and user2@example.com

I am having trouble with the recipient_bbc_maps config:

# /etc/postfix/main.cf
recipient_bcc_maps = pcre:/etc/postfix/recipient_bcc_map

# /etc/postfix/recipient_bbc_map
## This works
/^contact@example\.com$/ user1@example.com

## This doesn't work
/^contact@example\.com$/ user1@example.com,user2@example.com

The suggestion was taken from https://serverfault.com/a/183491, but it doesn't work.
Postfix can receive and send messages, so I know that my config is good so far. What am I doing wrong?

# /var/log/mail.log
postfix/qmgr[594770]: 309D64800B2: from=<sender@gmail.com>, size=3250, nrcpt=2 (queue active)
postfix/local[594799]: 309D64800B2: to=<contact@example.com>, relay=local, delay=0.02, delays=0.01/0.01/0/0, dsn=2.0.0, status=sent (delivered to mailbox)
postfix/local[594799]: 309D64800B2: to=<user1@example.com, user2>, orig_to=<user1@example.com,user2@example.com>, relay=none, delay=0.02, delays=0.01/0.01/0/0.01, dsn=5.1.3, status=bounced (bad address syntax)
postfix/qmgr[594770]: 309D64800B2: removed
Kārlis Čerņavskis
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1 Answers1

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The error message is pretty clear:

orig_to=<user1@example.com,user2@example.com>
bad address syntax

You cannot specify multiple addresses in a bcc-maps.

https://stackoverflow.com/questions/22537523/postfix-recipient-bcc-maps-multiple-recipients-how-to explains how to workaround this feature:

  • create a virtual map to have the distribution list ;
  • send BCC to the vmap

The Bcc will be expanded to the whole distribution list

#/etc/postfix/recipient_bcc_maps
source@domain.tld    rcpt@domain.tld


#/etc/postfix/vmaps
rcpt@domain.tld    rcpt1@domain.tld,rcpt2.domain.tld,rcpt3@domain.tld
Gaétan RYCKEBOER
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