HTTP/1.1 401 
Content-Length: 0
Server: Microsoft-IIS/10.0 Microsoft-HTTPAPI/2.0
request-id: ae2cd4c3-c7d2-4ace-b5be-41de99b704b1
x-feserver: VM-FCPB-MAIL
x-owa-version: 15.2.1748.26
x-powered-by: ASP.NET
WWW-Authenticate: Basic realm="mail.rcpb.bf"
Date: Wed, 04 Mar 2026 08:16:36 GMT