This task can be performed using Mailcracker PRO
Fix Your Email Deliverability Before It Kills Your Growth
Best product for this task

Mailcracker PRO
marketing
MailCracker.Pro — a free email deliverability checker designed specifically for marketers, founders, and technical teams who care about making sure their messages land where they’re supposed to: in the inbox.

What to expect from an ideal product
- Check your email deliverability score before sending campaigns to see if messages will reach the inbox or spam folder
- Test different sender addresses and domains to find which ones have the best reputation with email providers
- Get detailed feedback on what's causing delivery issues so you can fix problems like authentication setup or content flags
- Monitor your sending reputation over time to catch deliverability drops before they hurt your campaign results
- Validate that your email setup is working correctly across major providers like Gmail, Outlook, and Yahoo before launching