We offer free email marketing software that allows to track down each single email delivery status and logs. you can track down your campaign how many people opened, bounces, rejections, etc… The software also allows managing your lists and export good and bad email addresses for future use.
Enterprise

CPU Xeon E3-1230v2
RAM 32 GB
Disk Space 512 GB SSD
Bandwidth Unmetered
IPs 4 only
Free Mailing Software Yes
Emails 200000/hour
MTA Rotation Free
USA/EU Optional
Connection Speed 1 Gigabit
24/7 Support Free

$1000/month
https://www.powermtaservers.com/