What is EmailSiphon?
EmailSiphon is an uncategorized agent. Agent Analytics can track when it visits your website.
Overview
| Expected To Follow Robots.txt | Yes |
| Insights Last Updated | July 17, 2026 |
Category
Expected Behavior
EmailSiphon has no established behavior profile yet. Read its pattern in Agent Analytics: steady polite crawling suggests an unannounced index, while fast deep sweeps suggest scraping. Its user agent string and IP addresses are the best clues to who runs it.
How To Block EmailSiphon With Robots.txt
Add this rule to your robots.txt file to block EmailSiphon from accessing your entire website, or use Automatic Robots.txt to block all uncategorized agents at once. You can customize which pages are blocked by swapping out / for a different path.
User-agent: EmailSiphon # https://knownagents.com/agents/emailsiphon
Disallow: /Global Insights for EmailSiphon
As of July 17, 2026, this data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the world's top 1000 websites and their robots.txt files.
Robots.txt Blocked Percentage
Country of Origin
Robots.txt Blocking Trend
1% of top websites block EmailSiphon in their robots.txt files.
Overall Uncategorized Traffic
1.9% of all web traffic came from uncategorized agents.
Frequently Asked Questions
Should I Block EmailSiphon?
Watch it first. EmailSiphon has not been categorized yet, so there is no track record to lean on. Check which pages it requests and how often, and block it if the traffic is heavy or pointed at content you would not give an unknown bot. For comparison, 1% of the top websites we track already have robots.txt rules for EmailSiphon.
Does EmailSiphon Follow Robots.txt Rules?
Yes. EmailSiphon is expected to follow robots.txt rules, so a disallow rule is the right first move. Automatic Robots.txt adds and maintains that rule for you, and Agent Analytics confirms EmailSiphon actually follows it.
Does EmailSiphon Access Private Content?
Unknown. EmailSiphon has no documented scope, so watch what it actually requests. Repeated hits on login or admin paths are the signal to block it.
Why Is EmailSiphon Visiting My Website?
Nobody knows yet. EmailSiphon is undocumented, so until its operator explains it, its behavior on your site is the only evidence of its intent.
How Can I Tell if EmailSiphon Is Visiting My Website?
Agent Analytics tracks EmailSiphon visits in real time alongside every other known AI agent, crawler, and scraper. You can also check your server logs for requests whose user agent string contains "EmailSiphon". Log the paths it requests and how often, since nothing about it is documented. Keep in mind that EmailSiphon doesn't publish a verification method, so any client can claim its user agent string and a log match is a hint rather than proof.