We barred them! They need to clean their act up! Over a long period we've frequently noted .sparkpostmail.com as the sender host for persistent spammers... which tells us the 'service' is basically unpoliced; undermining the credibility of legitimate users! This has been getting worse in the last year or so! - So frequent is the annoyance that we now BAR all email which has the string .sparkpostmail.com in any header via a Cpanel filter! I'd think twice about using this 'service' unless you want to find your messages trashed along with the Nigerian Princes, 'one weird tricks' and shonky viagra sales.

Absolutely outstanding company to work… Absolutely outstanding company to work with. The customer service and friendly demeanor of the people you will work with every day is without comparison. Not only do they reply super quick when you need something, but they are always there to help you solve whatever problem you can conjure. Amazing!

Absolute garbage company Absolute garbage company! How the heck do we stop spam from your servers? I'm getting sick of my email address and details being passed around (violating GDPR) from one spammer to the next, all helped along by this bunch of cowboys.

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.

Amazing customer service! Amazing customer service! I had never heard of DKIM before, but they helped me generate a key, send it over to our devops to add it to our DNS, and validate it in Sparkpost in no time. Very quick back and forth.