Very Bad Customer Support Our company had multiple accounts with them and we started using Sparkpost but the company suspended all accounts at once and after discussing this I told them to refund but they didn't instead they stopped talking and closed the accounts.

We have been using Sparkpost for… We have been using Sparkpost for delivery of one of our most important customers. The entire Sparkpost team is always there for our clients last minute needs and changes and makes what could be a difficult situation work exceptionally well. We love the Signal Analytics that comes with the account and hope to someday grow to where we can add in some more of the professional delivery services.

Literally the worst Literally the worst. Do not waste time and money on them. The support is good for nothing. 1 whole day with their support repeating the same steps over and over again but still not able to setup account. Took 2 mins with mailgun to do the same. Wasted 1 day of my life. AVOID SPARKPOST.

SparkPost is one of the best places for… SparkPost is one of the best places for anyone looking for robust and reliable mail services. Great control panel, awesome metrics, and unrivaled API power and flexibility. I'm one of their happy customers since years, and going to remain for decades to come.

I am Daily reporting spammers that use… I am Daily reporting spammers that use SPARKPOST and they do nothing about it. Never trust a company that spams and never trust a company that allows spamming via their system !