A Spike in Spamhaus Listings: Here’s What Happened

On June 7th, 2021, Twilio SendGrid alongside other ESPs saw a significant spike in Spamhaus listings, impacting many IP addresses and some customer mail. Here’s what happened.

The post A Spike in Spamhaus Listings: Here’s What Happened appeared first on SendGrid.

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Categories vs. Unique Arguments: Benefits & Limitations

Learn about the different use cases, benefits, and limitations of using categories vs. unique arguments to track your email campaigns. The post Categories vs. Unique Arguments: Benefits & Limitations appeared first on SendGrid.

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