SendX (https://sendx.io) provides remarketing and retargeting tools for web businesses. You can use popups, landing pages, email, web push notification, automation workflows and FB / Google retargeting.
SendX toolset helps you focus on conversion and revenue rather than vanity metric like opens. Having a single platform which provides great tools lead generation, email marketing, and marketing automation makes SendX one of the few in the category.
SendX has a lot of features focussed on ROI. You can resend emails to un-openers with 1 click which gives up to 50% more opens and 23% more clicks. You can use smart send technology and geo optimized campaigns. You can run AB tests on email or subject line or email content.
Besides, SendX allows unlimited emails per subscriber and has very good email deliverability. The reason is that we run our own SMTP infrastructure and do everything like DKI, SPF, DMARC, proper email warmup to ensure email inboxing.
Based on our record, Email List Verify seems to be more popular. It has been mentiond 2 times 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.
If you're not getting the right email addresses from ContactOut and it's bouncing back, you could always run the email addresses through something like emaillistverify.com to make sure they're valid before you try to email them. (you should do that always anyway to protect your email deliverability). Source: almost 2 years ago
Emaillistverify.com is the service I use. Source: almost 2 years ago
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