This task can be performed using RealMail
Email Validation for SaaS
Best product for this task

RealMail
marketing
RealMail is the ultimate email validation tool for SaaS. It helps you increase sign-ups and customer retention by preventing errors, inappropriate addresses, and abuse. With real-time validation, customizable settings, and a user-friendly interface.

What to expect from an ideal product
- Checks email addresses in real-time during sign-up to catch typos and mistakes before they become a problem
- Blocks disposable email addresses that often lead to fake accounts and early customer dropout
- Filters out known spam addresses and suspicious patterns to maintain a clean customer base
- Verifies email server existence and deliverability to ensure messages actually reach customers
- Spots common typing errors and suggests corrections to help users enter the right email address