Sending B2B Email Marketing campaigns to unconfirmed or non-option list is big challenge because not all service providers allow to send cold emails to purchased lists so I did the research and find out some good and affordable B2B Email Service providers.
Here you Go!
MASSMAILSERVERS
A service provider working since 2010 has 1000’s of small, medium and big clients even banks allow b2b email sending to purchased lists at very affordable price with all features that required for a successful marketing. Mass Mail Servers also allow b2c email lists so you can send any type of promotional and transcriptional emails using their services.
https://www.massmailservers.net
