Spamhaus' Crackdown on Abusers
Read up on the new changes renowned blacklist operator Spamhaus recently announced to its DNSBL (a.k.a. blacklist) products.
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Bounce Classification Code Change
An update on a bounce classification code change we’re implementing in the coming weeks to make your sending experience as easy and painless as possible.
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Adaptive Delivery®: A Better Way to Handle Message Rejection
Our Adaptive Delivery feature is a rules-based engine that undergoes constant tuning and training to give your mail a better chance of being delivered.
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DKIM Validation: An Email Authentication Best Practice
An overview of DKIM validation including how to sign and validate work, interpreting DKIM signatures, what DKIM public keys look like and more.
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Using Google Postmaster Tools
Senders can access a series of dashboards that display metrics about mail sent to Google users, called Google Postmaster Tools. Here’s how to use them.
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SPF Authentication: An Overview and Best Practices
An overview of SPF authentication, how it works and how to incorporate it into a successful email authentication strategy.
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Prime Sending Times: Using Prime Numbers to Improve Delivery
One of our deliverability experts shares how using prime numbers to determine prime sending times might have a positive impact on improving email delivery.
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DMARC: How to Protect Your Email Reputation
Properly implementing the DMARC standard will help you to protect your email reputation. Here’s how to get started configuring DMARC.
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SparkPost Supports Sending Email on Apple Watch
You may not have thought about making your emails look good on an Apple Watch, but a recent survey tells us that email is one of two top uses for that device, with 72% of users checking email or monitoring ...
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