Exporting all addresses: Difference between revisions
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sed -e 's/^/^/' -e 's/\./\\\./' -e 's/@.*$/$/' > exim_valid_emails.list < zimbra_recipients.list | sed -e 's/^/^/' -e 's/\./\\\./' -e 's/@.*$/$/' > exim_valid_emails.list < zimbra_recipients.list | ||
More methods here: http://www.zimbra.com/forums/etc/19968-solved-looking-reporting-output-names-alias-etc.html | =More Methods= | ||
More methods here: | |||
*http://www.zimbra.com/forums/etc/19968-solved-looking-reporting-output-names-alias-etc.html | |||
{{Article_Footer|unknown|1/3/2008}} | {{Article_Footer|unknown|1/3/2008}} |
Revision as of 22:59, 1 February 2010
Exporting all addresses (mailboxes, aliases and distribution lists) is a vital tool if you have a backup MX and only want it to accept email for valid recipients. One reason for that is to stop spammers who simply use a dictionary of common names to generate recipient email addresses which would flood a backup MX with undeliverable email. Some anti-spam providers (e.g. Postini) have automatic provisioning processes for making this possible.
A naive process of extracting mailboxes looks like this:
/opt/zimbra/bin/zmaccts | grep 'active' | egrep -v '^\W+' | awk '{print $1}'
Unfortunately, this doesn't give distribution lists and aliases, so a more sophisticated approach is necessary, for which there is no specific tool and requires using the ldap tool thus:
/opt/zimbra/openldap/bin/ldapsearch -LLL -x -D"`/opt/zimbra/bin/zmlocalconfig -s zimbra_ldap_userdn | \ awk '{print $3}'`" -w"`/opt/zimbra/bin/zmlocalconfig -s zimbra_ldap_password | \ awk '{print $3}'`" -H `/opt/zimbra/bin/zmlocalconfig ldap_url | \ awk '{print $3}'` $* | \ grep ^mail | \ awk '{print $2}' | \ sort > zimbra_recipients.list
If your backup MX is exim, then you need to add the following to the config file:
accept local_parts = /etc/exim/zimbra_valid_emails.list domains = +relay_to_domains deny
The list of recipients needs to be converted to a form that exim will process, e.g.
sed -e 's/^/^/' -e 's/\./\\\./' -e 's/@.*$/$/' > exim_valid_emails.list < zimbra_recipients.list
More Methods
More methods here: