Based on our record, Kickbox seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can use a service like https://kickbox.com/ to validate and clean your email list. Buy some credits, put your lists through Kickbox, and it will spit out a clean, mailable list that you can begin contacting with confidence, and without worrying that your email address is going to get flagged for spam and whatnot. Source: almost 2 years ago
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Sparkpost - Deliver your app and website emails on time and to the inbox. Trusted to send 25% of the world's non-spam email. Email delivery for companies big and small.
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.
Pepipost - Use our powerful Email APIs to deliver all your business critical emails on time and to the Inbox. We are the world’s only ESP that gives cashback on emails opened.
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI