The most common format is a simple list with one email address per line. This format is easily readable by scripts in languages like PHP , Python , or Django .

Alex Sample, alex.sample@gmail.com Marketing Team, contact@business-domain.org Use code with caution. Copied to clipboard

: Ensure each address contains exactly one @ symbol and a valid domain (e.g., .com , .net ).

: Use a service or script to ping the mail server (SMTP check) to confirm the inbox actually exists without sending a real email.

: Save the file with UTF-8 encoding to ensure any special characters in names or domains are handled correctly. Advanced Usage (CSV-Style) If youtxt or .csv file. Example Extended Content:

: Remove any duplicate entries to keep the file clean.

alex.sample@gmail.com contact@business-domain.org support.team@serviceprovider.net user123@university.edu Use code with caution. Copied to clipboard Steps to Generate This Content

To create the content for a file named valid_mails.txt , you typically need to list email addresses that have been verified for correct syntax and deliverability. This file is often the output of an email validation tool . Standard Format for valid_mails.txt

Свердловская областная клиническая больница №1
 УСЛУГИ ОМС
+7 (343) 363-03-03
ГОСПИТАЛИЗАЦИЯ
+7 (343) 385-58-87

ПЛАТНЫЕ УСЛУГИ
+7(343) 36-36-006