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How to send bulk email: The dos and don’ts of mass email sending

Both transactional and marketing email messages can rely on sending massive amounts of email all at once. But while bulk is better when buying toilet paper, that’s not always the...

Read more

What is SMTP and how does it work?

SMTP, though a pillar of email delivery, often gets lost in the jumble of tech terms and acronyms. But if you're ready to send impactful emails, this is one of those acronyms that...

Read more

How to keep your spam complaint rate low

It feels like a slap in the face. Or being dumped with the “it’s not you; it’s me” line. When an email subscriber marks one of your emails as spam, it feels like a betrayal. We were doing...

Read more

Help! I'm on an email blocklist, how do I fix it?

If you find that either your domain name or IP address is on an email blocklist, it’s easy to freak out. You certainly wouldn’t be alone if you did. The term "email blocklist" was...

Read more

5 reasons transactional emails are unsung heroes of the customer experience

Some heroes have songs written about them. Folk heroes of the railroad like Casey Jones and John Henry get ballads. Princess Diana and Marilyn Monroe share an Elton John...

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Key takeaways from Sinch Mailgun’s Email and the customer experience 2024

No one denies that email is an important connecting point between businesses and consumers as well as applications and users. Now, a new study shows just how crucial...

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Which SMTP port should I use? Understanding ports 25, 465 & 587

It's a common question that we receive here at Sinch Mailgun about SMTP port numbers. To ensure connectivity to our Simple Mail Transfer Protocol (SMTP) endpoint, Mailgun...

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“Email failed to send” – understanding the error message?

Let’s say you’ve integrated your app with email functionality, designed some great email content, developed a marketing strategy, and you think you’re good to go. But then you...

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How to send bulk email: The dos and don’ts of mass email sending

Both transactional and marketing email messages can rely on sending massive amounts of email all at once. But while bulk is better when buying toilet paper, that’s not always the...

Read more

What is SMTP and how does it work?

SMTP, though a pillar of email delivery, often gets lost in the jumble of tech terms and acronyms. But if you're ready to send impactful emails, this is one of those acronyms that...

Read more

How to keep your spam complaint rate low

It feels like a slap in the face. Or being dumped with the “it’s not you; it’s me” line. When an email subscriber marks one of your emails as spam, it feels like a betrayal. We were doing...

Read more

Help! I'm on an email blocklist, how do I fix it?

If you find that either your domain name or IP address is on an email blocklist, it’s easy to freak out. You certainly wouldn’t be alone if you did. The term "email blocklist" was...

Read more

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