MailerSend

MailerSend blog

Amy · 8 min read
Understanding SMTP ports 25, 465, 587, 2525 and choosing the right one

Choosing an SMTP port can be confusing, but understanding the different ports and what they do is important to properly secure your SMTP connections.
Amy · 5 min read
IP allowlisting is your key to more secure email sending

Phishing attacks are among the most damaging threats to businesses. Check out how MailerSend’s IP allowlist helps thwart malicious attacks and protect your sending reputation.

Amy · 6 min read
How email verification can optimize your transactional email sending

Your recipients’ email addresses are your most valuable asset—but how can you be sure that they’re all accurate? Email verification is the best way to keep your email list free from invalid email addresses, ensuring optimum deliverability and inbox placement.
Amy · 6 min read
How to send email on behalf of your clients

If you’re managing the transactional email of several clients or brands, authenticating multiple domains can be a hassle (or simply not possible 😵). We’ll show you how to send email on behalf of clients, securely and reliably, without the need for domain authentication.
Šarūnas · 7 min read
Enable the use of email replies to post comments or messages

Wouldn’t it be cool if you could allow your users to respond to blog/forum comments and messages on your web app via email? With MailerSend's inbound routing feature, you can do just that.
Amy · 8 min read
How to effectively manage hard vs soft bounces in transactional emails

So your email bounced. It’s OK, there’s no need to panic! Email bounces happen to all businesses that send out large numbers of transactional emails. In this article, you’ll learn why it happens and how you can handle them correctly.
Amy · 16 min read
MailerSend Email Deliverability Guide

MailerSend works hard to ensure that your emails land in the inbox, but sometimes poor sending habits can prevent your emails from getting delivered. Learn how to improve email deliverability with these 9 best practices you can implement now.
Šarūnas · 6 min read
Apple Mail Privacy Protection and transactional emails

Apple’s Mail Privacy Protection feature makes it hard to measure accurate open rates for users of the Mail app. The good news is that these new features will not affect the deliverability of your transactional emails. Learn more about what the new privacy changes mean for transactional emails and what you can do about it.
Šarūnas · 19 min read
7 SDKs to send emails in your favorite programming language

You don’t have to reinvent the wheel when you want to send transactional emails using your favorite programming language. Our developers will share how you can use official SDKs to quickly integrate email sending in your apps and websites.
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