This plugin is outdated and might not be supported anymore
404 Redirection

404 Redirection

Details
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This simple plugin permanently redirects all 404’s to the main blog URL. There may be several reasons why you might want to do this, but the primary purpose is to siphon Google Page Rank (TM) from missing pages to the homepage.

Details

Plugin code:
404-redirection
Plugin version:
1.8
Outdated:
Yes
WP version:
2.0.2 or higher
PHP version:
or higher
Test up to WP version:
4.3.34
Total installations:
7,000
Last updated:
2015-09-30
Rating:
Times rated:
17
404
redirect
redirector
redirects
server-error