Zimbra Collaboration Suite 7.0
Zimbra Collaboration Suite 7.0
Administrator's Guide
Open Source Edition

Managing User Accounts > Setting Polling Intervals

Setting Polling Intervals
Polling intervals determine how often accounts poll the server for new data. Polling intervals can be set in the COS/account tab for POP, IMAP, Calendar updates, RSS feeds, and CalDAV invites.
If the polling interval is not set, data is not automatically polled.