How to create auto Bcc for Recipient mails for Zimbra 8.6

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Introduction

Managing email systems efficiently is crucial for organizations of all sizes. Zimbra, a popular email platform, provides robust features to streamline communication and enhance productivity. Among its functionalities, setting up an automatic blind carbon copy (auto Bcc) for recipient mails is a valuable tool for administrators. This feature ensures better email oversight, compliance with company policies, and seamless record-keeping. In this guide, we delve into how to create auto Bcc for recipient mails for Zimbra, exploring step-by-step instructions, practical examples, and best practices.

Why Use Auto Bcc in Zimbra?

Auto Bcc functionality allows email administrators to:

  • Enhance Oversight: Automatically archive all email correspondence for transparency.

  • Ensure Compliance: Adhere to regulatory requirements by keeping records of sent and received emails.

  • Improve Monitoring: Monitor employee communication for quality assurance.

  • Simplify Record-Keeping: Maintain a backup of emails without manual intervention.

Prerequisites

Before setting up auto Bcc in Zimbra, ensure the following:

  1. Administrative access to the Zimbra server.

  2. Basic familiarity with Zimbra's command-line interface (CLI).

  3. A configured Zimbra Collaboration Suite (ZCS).

  4. Backup of the Zimbra configuration files.

How to auto copy of all email from bcc2_huupv@mail.huuphan.local to huupv@mail.huuphan.local. Every email recipient of bcc2_huupv@mail.huuphan.local from email another, then automation bcc send to huupv@mail.huuphan.local. 

Setting Up Auto Bcc for Recipient Mails in Zimbra

How to create auto Bcc for sender mails for Zimbra 8.6

To check "recipient BCC Maps" recipient_bcc_maps on your zimbra 8.6
$ postconf | egrep "recipient_bcc_maps"
To configure recipient bbc maps on zimbra 8.6
# su - zimbra
$ cd /opt/zimbra/postfix/conf/
To create recipient_bcc
$ vim recipient_bcc
Input the content as below
bcc2_huupv@mail.huuphan.local huupv@mail.huuphan.local
To add recipient_bcc_maps in main.cf file
$ vim /opt/zimbra/postfix/conf/main.cf
To add the following line in below
recipient_bcc_maps = lmdb:/opt/zimbra/postfix/conf/recipient_bcc
To apply configure recipient_bcc_maps
$ postmap /opt/zimbra/postfix/conf/recipient_bcc
To restart the zimbra postfix
$ postfix reload
To check "Recipient BCC Maps" recipient_bcc_maps on your zimbra 8.6
$ postconf | egrep "recipient_bcc_maps"
The output as below
recipient_bcc_maps = lmdb:/opt/zimbra/postfix/conf/recipient_bcc
File log zimbra.log




Aug 14 15:52:57 mail postfix/smtpd[80438]: connect from mail.huuphan.local[172.16.235.150]
Aug 14 15:52:58 mail postfix/smtpd[80438]: NOQUEUE: filter: RCPT from mail.huuphan.local[172.16.235.150]: <huupv10@mail.huuphan.local>: Sender address triggers FILTER smtp-amavis:[127.0.0.1]:10026; from=<huupv10@mail.huuphan.local> to=<bcc2_huupv@mail.huuphan.local> proto=ESMTP helo=<mail.huuphan.local>
Aug 14 15:52:58 mail postfix/smtpd[80438]: 23A9D2309B: client=mail.huuphan.local[172.16.235.150]
Aug 14 15:52:58 mail postfix/cleanup[80442]: 23A9D2309B: message-id=<491555568.5.1502700776934.JavaMail.zimbra@mail.huuphan.local>
Aug 14 15:52:58 mail postfix/qmgr[79376]: 23A9D2309B: from=<huupv10@mail.huuphan.local>, size=1181, nrcpt=2 (queue active)
Aug 14 15:52:58 mail postfix/smtpd[80438]: disconnect from mail.huuphan.local[172.16.235.150]
Aug 14 15:52:58 mail amavis[3275]: (03275-01) ESMTP:[127.0.0.1]:10026 /opt/zimbra/data/amavisd/tmp/amavis-20170814T155258-03275-JnexXveb: <huupv10@mail.huuphan.local> -> <bcc2_huupv@mail.huuphan.local>,<huupv@mail.huuphan.local> Received: from mail.huuphan.local ([127.0.0.1]) by localhost (mail.huuphan.local [127.0.0.1]) (amavisd-new, port 10026) with ESMTP; Mon, 14 Aug 2017 15:52:58 +0700 (ICT)
Aug 14 15:52:58 mail amavis[3275]: (03275-01) Checking: xC4Pvm0Yp6WL ORIGINATING/MYNETS [172.16.235.150] <huupv10@mail.huuphan.local> -> <bcc2_huupv@mail.huuphan.local>,<huupv@mail.huuphan.local>
Aug 14 15:52:58 mail postfix/amavisd/smtpd[80445]: connect from localhost[127.0.0.1]
Aug 14 15:52:58 mail postfix/amavisd/smtpd[80445]: E99D42309C: client=localhost[127.0.0.1]
Aug 14 15:52:58 mail postfix/cleanup[80442]: E99D42309C: message-id=<491555568.5.1502700776934.JavaMail.zimbra@mail.huuphan.local>
Aug 14 15:52:58 mail postfix/qmgr[79376]: E99D42309C: from=<huupv10@mail.huuphan.local>, size=1522, nrcpt=2 (queue active)
Aug 14 15:52:58 mail amavis[3275]: (03275-01) xC4Pvm0Yp6WL FWD from <huupv10@mail.huuphan.local> -> <bcc2_huupv@mail.huuphan.local>,<huupv@mail.huuphan.local>, BODY=7BIT 250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as E99D42309C
Aug 14 15:52:59 mail amavis[3275]: (03275-01) Passed CLEAN {RelayedInternal}, ORIGINATING/MYNETS LOCAL [172.16.235.150]:43052 <huupv10@mail.huuphan.local> -> <bcc2_huupv@mail.huuphan.local>,<huupv@mail.huuphan.local>, Queue-ID: 23A9D2309B, Message-ID: <491555568.5.1502700776934.JavaMail.zimbra@mail.huuphan.local>, mail_id: xC4Pvm0Yp6WL, Hits: -, size: 1180, queued_as: E99D42309C, 801 ms
Aug 14 15:52:59 mail postfix/smtp[80443]: 23A9D2309B: to=<bcc2_huupv@mail.huuphan.local>, relay=127.0.0.1[127.0.0.1]:10026, delay=0.97, delays=0.07/0.08/0.03/0.78, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as E99D42309C)
Aug 14 15:52:59 mail postfix/smtp[80443]: 23A9D2309B: to=<huupv@mail.huuphan.local>, relay=127.0.0.1[127.0.0.1]:10026, delay=0.97, delays=0.07/0.08/0.03/0.78, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as E99D42309C)
Aug 14 15:52:59 mail postfix/qmgr[79376]: 23A9D2309B: removed
Aug 14 15:52:59 mail amavis[3275]: (03275-01) extra modules loaded: /opt/zimbra/zimbramon/lib/x86_64-linux-thread-multi/auto/Net/SSLeay/autosplit.ix, /opt/zimbra/zimbramon/lib/x86_64-linux-thread-multi/auto/Net/SSLeay/randomize.al, Convert/UUlib.pm, IO/Socket/SSL.pm, Net/SSLeay.pm, unicore/lib/gc_sc/Digit.pl, unicore/lib/gc_sc/SpacePer.pl
Aug 14 15:52:59 mail postfix/lmtp[80449]: E99D42309C: to=<bcc2_huupv@mail.huuphan.local>, relay=mail.huuphan.local[172.16.235.150]:7025, delay=0.68, delays=0.01/0.02/0.13/0.52, dsn=2.1.5, status=sent (250 2.1.5 Delivery OK)
Aug 14 15:52:59 mail postfix/lmtp[80449]: E99D42309C: to=<huupv@mail.huuphan.local>, relay=mail.huuphan.local[172.16.235.150]:7025, delay=0.69, delays=0.01/0.02/0.13/0.52, dsn=2.1.5, status=sent (250 2.1.5 Delivery OK)
Aug 14 15:52:59 mail postfix/qmgr[79376]: E99D42309C: removed

FAQ

1. Can I set up auto Bcc for multiple recipients?

Yes, you can add multiple mappings in the Postfix configuration file, ensuring each recipient has a corresponding Bcc address.

2. Is it possible to exclude specific emails from auto Bcc?

Exclusions can be implemented by carefully structuring your regular expressions in the Postfix configuration.

3. Are there privacy concerns with auto Bcc?

Yes, ensure compliance with privacy laws and inform employees or users about email monitoring practices.

4. How do I troubleshoot auto Bcc issues?

  • Check the Postfix logs for errors using:

    tail -f /var/log/zimbra.log

  • Verify configuration syntax and restart services.

5. Can I disable auto Bcc temporarily?

To disable auto Bcc, comment out or remove the relevant entries in the Postfix configuration file and restart services.

Best Practices

  • Document Changes: Maintain detailed records of configuration changes for future reference.

  • Monitor Logs: Regularly review mail logs to ensure functionality.

  • Test Thoroughly: Test configurations in a staging environment before deploying to production.

  • Update Regularly: Keep Zimbra and Postfix updated for improved security and features.

create auto Bcc for Recipient mails for Zimbra


Conclusion

Creating auto Bcc for recipient mails in Zimbra is a powerful feature that enhances oversight, compliance, and record-keeping. By following the steps outlined in this guide, administrators can configure and manage this functionality effectively. Whether you’re setting up basic Bcc mappings or implementing advanced configurations, Zimbra provides the flexibility to meet diverse organizational needs. Start leveraging auto Bcc today to streamline your email management and ensure regulatory compliance. 

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