MAIL ACCESS MIX VALID 100: How This Combolist Exposed 3,260 Logins

MAIL ACCESS MIX VALID 100: Inside a Combolist That Exposed 3,260 Logins

In May 2026, HEROIC threat analysts identified a combolist file uploaded by a Telegram user under the name MAIL ACCESS MIX VALID 100. The file exposed 3,260 records containing email addresses, plaintext passwords, and the URLs each login was tied to, labeled by the uploader as verified working credentials ready for use.

Why This Combolist Is Dangerous

The label VALID on this file signals that the credentials inside were checked before being shared, meaning the passwords are more likely to still work than an average leaked list. Because the passwords are plaintext and each one is tied to the exact URL it was used on, an attacker can go straight to a victim's mail account and log in immediately, no cracking or guessing needed.

What Was Exposed in the MAIL ACCESS MIX VALID 100 Dump

• Email addresses
• Plaintext passwords
• URLs linking each credential to the site it was used on

Why This Matters for the 3,260 Accounts Involved

Mail account access is especially valuable to attackers because email is usually the key to resetting passwords on banking, shopping, and social media accounts. A verified combolist like this one is exactly what powers credential stuffing and account takeover at scale, and can quickly lead to identity theft or financial fraud if any of these 3,260 accounts are tied to more sensitive services.

How a Combolist Like This Gets Verified and Sold

A combolist is a compiled file of username or email and password pairs, usually gathered from earlier breaches, stealer malware infections, or manual collection. Sellers often run these lists through checking tools before distribution to confirm which logins still work, then label the file valid to increase its value on Telegram channels where buyers trade and resell these lists. Once a checked list like this one circulates, it tends to be copied and merged into larger collections rather than staying isolated.

Check If You Are Affected

If you want to know whether your email address is part of the MAIL ACCESS MIX VALID 100 combolist or any other breach, HEROIC's free breach scanner checks your information against a database of more than 400 billion leaked records. Run a scan to see your exposure and get clear steps to secure your accounts.