Stackology is the leader in transactional email delivery. Our cloud-based bulk email service replaces in-house email infrastructure so customers don't have to build, scale, and maintain their own email systems.
Proven Deliverability
We offer domain authentication, compliance and deliverability coaching, and proactive ISP outreach to ensure you achieve optimal inbox delivery.
Scale With Confidence
Whether you’re a startup or a large enterprise, we can handle your important emails. Our world-class platform delivers more than 90 billion emails per month.
Email Expertise
With SendGrid, you have an expert in your corner. Our Customer Success and Support Teams give you the information and guidance you need, when you need it.