Plus Addressing: Difference between revisions
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Enable check_recipient_access and restart postfix: | Enable check_recipient_access and restart postfix: | ||
<pre>zmprov mcf +zimbraMtaRestriction "check_recipient_access lmdb:/opt/zimbra/conf/postfix_recipient_access" | <pre>zmprov mcf +zimbraMtaRestriction "check_recipient_access lmdb:/opt/zimbra/conf/postfix_recipient_access"</pre> | ||
{{Article Footer|Zimbra Collaboration Suite 8.0, 8.5, 8.6, 8.7|4/6/2007}} | {{Article Footer|Zimbra Collaboration Suite 8.0, 8.5, 8.6, 8.7|4/6/2007}} | ||
{{NeedSME|SME1|SME2|Copyeditor}} | {{NeedSME|SME1|SME2|Copyeditor}} |
Revision as of 18:04, 6 April 2016
Plus Addressing
Plus Addressing is a feature that allows a sender to append a tag to the user id of a recipient. This lets the recipient more easily sort the incoming mail using a mail filter.
For example, user@zimbra.lab could also be reached using the address user+tag@zimbra.lab.
To enable Plus Addressing with Zimbra, use zmprov as follows:
zmprov mcf zimbraMtaRecipientDelimiter +
Note that the delimiter can be a character other than '+'.
To disable Plus Addressing, use zmprov as follows:
zmprov mcf -- -zimbraMtaRecipientDelimiter +
After making changes to enable or disable this feature, you can restart the postfix service :
zmmtactl restart
And check that the postfix configuration has the right value :
postconf recipient_delimiter recipient_delimiter = +
Disable addresses (since 8.5.0)
If you want to disable a specific address, e.g. because it has been targeted by spam, you can enable a postfix recipient and client restriction map.
Create the postfix recipient access file:
touch /opt/zimbra/conf/postfix_recipient_access
Edit the file to include the address:
user+spam@zimbra.lab 550 User Unknown
Build the lmdb file:
postmap /opt/zimbra/conf/postfix_recipient_access
Enable check_recipient_access and restart postfix:
zmprov mcf +zimbraMtaRestriction "check_recipient_access lmdb:/opt/zimbra/conf/postfix_recipient_access"