Email search in IceWarp WebClient supports advanced search operators, but the exact behavior depends on your IceWarp version and whether you're using the quick search box or Advanced Search.
Wildcard * Examples
The asterisk (*) represents any number of characters.
Search by Subject
Subject:invoice*
Finds:
- Invoice
- Invoices
- Invoice_2026
- Invoice Reminder
Search by Sender
From:*domain.com
Finds emails from:
Search by Recipient
To:*customer.com
Finds emails sent to anyone at customer.com or sub.customer.com
Search by Text in Message
Body:*migrat*
Finds messages containing:
- migration
- migrating
- post-migration
Search Anywhere
upgrade
Finds emails where "upgrade" appears in:
- Subject
- Body
- From
- Recipient fields
Combined Searches
Emails from a sender containing a keyword
From:*icewarp.com *upgrade*
Subject starts with a word
Subject:meeting*
Subject contains multiple words
Subject:release Subject:notes
Date Searches
Depending on IceWarp version:
After:2026-01-01
Before:2026-06-01
Combined:
From:*icewarp.com after:2026-01-01
Attachment Searches
Find emails with attachments:
Has:attachment
Combined:
Has:attachment *invoice*
Useful Examples
Find all upgrade notifications
Subject:*upgrade*
Find emails from a specific customer domain
From:*customer.com
Find emails mentioning a ticket number
IW-12345
Find all PDF invoices
Has:attachment *invoice*
Find all emails regarding migration
Subject:*migration* body:*migration*
Notes
-
*usually works as a wildcard for text matching. - Searches are generally case-insensitive.
- Using
*at the beginning of a term (e.g.,*invoice) can be slower on large mailboxes because it requires a broader index scan. - If full-text indexing is disabled on the server, some body-content searches may not return expected results.
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