OE
Outlook-Express
Outlook Express email client
About this crawler
Outlook-Express is a web crawler identified by the regular-expression pattern Outlook-Express in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block Outlook-Express traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
No block-rate data for this crawler.
Technical details
- Name
- Outlook-Express
- Pattern
Outlook-Express- Tags
- http-library
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Outlook-Express/7.0 (MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; McAfee; .NET4.0C; .NET4.0E; GWX:QUALIFIED; TmstmpExt)
Block this crawler
robots.txt — disallow Outlook-Express:
User-agent: Outlook-Express
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Outlook-Express [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Outlook-Express") {
return 403;
}
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