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SMTP2GO updates & email deliverability tips from helping over 35,000 companies deliver better email.

Few things are more frustrating than the 550 error message – besides, possibly, a broken coffee machine! Let’s dig into what this cryptic message means and how you can resolve it. 550 Error, What?! You will often see a 550 error accompanied by a small (yet arguably mystifying) message, such as “administrative prohibition” or “relay […]

Transactional emails are one of the few things you can expect to arrive in your inbox – and this makes them powerful! Nothing causes panic quite like making a big purchase online and realizing the order confirmation has yet to make an appearance in your inbox. This simple transactional email is a powerful tool for […]

This post answers questions we receive from customers migrating to SMTP2GO from another ESP / SMTP provider. Frequently Asked Questions: Do you have a free plan? Yes, the free plan allows 1,000 emails per month and has a limit of 200 emails per day (a 25-per-hour limitation applies if no sender domains are verified). It […]

If you’re in eCommerce, you won’t be a stranger to an abandoned cart. According to Baymard Institute, the average cart abandonment rate is just under 70% (69.99%). That’s a huge segment that should be retargeted to regain those sales. This is where abandoned-cart emails come in. Why do people abandon their shopping carts? From price […]

Confused about hard bounces, soft bounces, or rejected emails? Here’s the lowdown… SMTP2GO categorizes all bounces into hard bounces and soft bounces. A rejected email is an email that SMTP2GO blocks due to the recipient being on your suppression list. We do the hard/soft categorization by analyzing the error message sent to us by the recipient’s mail server. If […]

An Internet Protocol address, more commonly known as an IP address, is a unique set of numbers assigned to a device on the internet or local network. When it comes to sending emails, you can use a dedicated IP or a shared IP. But what’s the difference, and which is the right choice for you? […]
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