Latest stories by The Mailgun team
InboxReady: Introducing the best way to improve email deliverability
No matter how good an email design looks, how compelling the copy reads, or how perfectly a campaign renders across email clients... none of it matters if your messages...
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Why is Gmail blocking my emails? How to prevent it
It's always frustrating as an email sender when your messages don’t get through. Especially if you don't know why it's happening. In this article, we’ll dig into why Gmail is...
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InboxReady has integrated with Google Postmaster Tools: Monitor your domain reputation
Every time you send an email campaign, ISPs monitor your sending practices and assign a reputation to your domain and IP address. This reputation is based on several factors...
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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 Mailgun about SMTP port numbers. To ensure connectivity to our Simple Mail Transfer Protocol (SMTP) endpoint, Mailgun offers...
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Email bounces: What to do about them
There are all sorts of reasons why an email might fail to be delivered and bounce back to the sender (also known as an SMTP Reply). Most of these reasons lie outside of your...
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