: Many sites claiming to host "2023 leaks" are actually phishing sites designed to steal your current login info.
DNS TXT records can only have 10 DNS lookups (the include: mechanism). With multiple ESPs (e.g., Salesforce, HubSpot, SendGrid), you easily hit 12-15 lookups. Use an SPF flattening service (e.g., Valimail, Dmarcian) to compress all includes into a single TXT record with raw IP ranges.
| Provider | Likely Outcome of Misconfigured TXT | | :--- | :--- | | | Direct to Spam folder; 5% inbox rate | | Google (Gmail) | Blocked with 550-5.7.26 error (unauthenticated) | | Microsoft (Hotmail) | Throttled; placed in "High Risk" delivery pool | yahoocom gmailcom hotmailcom txt 2023
Yahoo began strictly enforcing alignment. This means the domain in the From: header must match the domain used in SPF or DKIM. No more "free for all" forwarding.
The yahoocom gmailcom hotmailcom txt 2023 search pattern reflects a real data exposure risk. While many such files are repackaged old breaches, 2023 saw new collections assembled from combolists and API scraping. Users of these email providers should remain vigilant and assume their email address may be publicly accessible in a TXT file somewhere on the web. : Many sites claiming to host "2023 leaks"
Do you use the for multiple different websites?
When signing up for new services, avoid using your primary email. Use email aliasing services or "Hide My Email" features provided by modern operating systems. If that alias is ever leaked in a future database dump, you can simply delete the alias without putting your primary inbox at risk. Use an SPF flattening service (e
: These lists often represent a violation of privacy. Being on such a list means your email has likely been exposed in a breach. Malware Delivery : While a genuine