Increase Email Deliverability

SendGrid transparently handles DKIM, SPF, ISP rate limits, content inspection, bounces, and spam reports to help users achieve higher deliverability. SendGrid integrates in minutes by just changing three SMTP settings. We even assign our users their own IP addresses.

Better Insight after Delivery

Companies can now track email clicks, opens, unsubscribes, spam reports, and bounces without writing a single line of code. You can also segment your statistics into categories for better insight into different types of emails sent.

Flexible Email Platform

Enhance emails with a simple drag and drop interfaces. Take advantage of the functionality developers add on top of our platform. Developers can now add functionality to outgoing or even incoming emails using our parsing tools.

Scalability on Demand

Whether you need to send hundreds or millions of emails, SendGrid has the infrastructure to scale your email delivery. Stop worrying about hardware purchases, software configurations, and servers to maintain.

Deliverability SendGrid helps you reach more users instead of spam folders. More	Analytics Get better insight after your emails have been delivered. More	Platform Enhance your emails through an open architecture. More	Scalability Cloud based service that scales on demand. More

via sendgrid.com

sendgrid helps you increase email delivery – the non free/basic plans gives you a specific IP so your reputation is purely yours. i think you can just replace your SMTP with theirs for this to work, got statics tracking and stuff to boot!