email,name,company
john.doe@gmail.com,John Doe,Google
jane.smith@yahoo.com,Jane Smith,Yahoo
test.user@outlook.com,Test User,Microsoft
invalid-email-format,Bad Format,None
admin@company.org,Admin User,Company Inc
info@business.net,Info Desk,Business LLC
support@helpdesk.io,Support Team,HelpDesk
noreply@newsletter.com,No Reply,Newsletter Co
fake@tempmail.com,Fake User,Temp Mail
user123@protonmail.com,User 123,ProtonMail
contact@startup.co,Contact,Startup
sales@enterprise.com,Sales Team,Enterprise
marketing@brand.io,Marketing,Brand Inc
developer@tech.dev,Developer,Tech Corp
hello@agency.studio,Hello,Agency
team@product.app,Team,Product Inc
feedback@service.online,Feedback,Service Co
no-domain@,Missing Domain,None
@nodomain.com,No Local Part,None
spaces in email@test.com,Invalid Space,Test
valid.email+tag@gmail.com,Tagged Email,Gmail
another.test@icloud.com,Another Test,Apple
user@guerrillamail.com,Guerrilla User,Disposable
demo@mailinator.com,Demo User,Disposable
real.person@hotmail.com,Real Person,Microsoft
ceo@corporation.biz,CEO,Corporation
hr@recruiting.careers,HR Team,Recruiting
billing@payments.finance,Billing,Payments Inc
orders@ecommerce.shop,Orders,E-Commerce
news@media.press,News Desk,Media Corp
duplicate@example.com,Duplicate 1,Example
duplicate@example.com,Duplicate 2,Example
duplicate@example.com,Duplicate 3,Example