The IMAP command "CREATE" failed with server error: Unknown namespace

Infopro

Well-Known Member
May 20, 2003
17,113
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Pennsylvania
cPanel Access Level
Root Administrator
Twitter
Yes. Normal IMAP account. I'm on multiple email lists and have rules to move mail to each of the created folders and those folders and mail are synced across all devices as expected.

Check this, again, not sure this is helpful but take a peek.

Login to Webmail, click Horde and log in. (skip maintenance if asked) Find Options on top of page. Find Server and Folder Information. Check settings here.