About this bot
YahooMailProxy is a content fetch proxy associated with Yahoo and used for yahoo mail embedded content fetching.
Primary directory identity signal: YahooMailProxy. Representative HTTP identity: YahooMailProxy; https://senders.yahooinc.com/mail-proxy-servers.
Directory status: Active. Identity classification: Verified with High confidence. Identity type: official network documented.
robots.txt is not recorded as a reliable control for this traffic. Use request authentication, application controls, firewall policy, or service configuration when restriction is required.
Risk classification: Safe. Recommended handling is to generally allow or monitor rather than block by identity alone.
How to identify this bot
- User-agent and crawler identifiers
-
YahooMailProxyYahooMailProxy; https://senders.yahooinc.com/mail-proxy-servers - Also known as
- Yahoo Mail Proxy
Details
- Kind
- Content fetch proxy
- Family
- Yahoo Mail
- Purpose
- Yahoo mail embedded content fetching
- Common Use
- Fetching embedded email assets and linked page content on behalf of Yahoo Mail users for safer, proxied rendering and reduced repeated network retrieval.
- Respects robots.txt
- No
Verification
- Identity Type
- official-network-documented
- Evidence Method
- Match the YahooMailProxy HTTP identity and corroborate with Yahoo’s published Mail Proxy source ranges when origin verification matters.
- Detection Notes
- This proxy retrieves page/image/asset content referenced in Yahoo Mail; it is not a generic malware or vulnerability scanner.
Website controls
- Apache Rule
SetEnvIfNoCase User-Agent "YahooMailProxy" botcrawl_match=1- Nginx Rule
if ($http_user_agent ~* "YahooMailProxy") { set $botcrawl_match 1; }