DKIM is a common email authentication method designed to reduce the opportunities for phishing attacks and email spam.

DKIM Oversigning to Help Avoid Replay Attacks

May. 9, 2022 / By Harold Vass

SparkPost Cloud now performs DKIM Oversigning by default to eliminate an attack vector for the billion+ emails our platform enables each day.  DKIM (DomainKeys Identified Mail) is a common email authentication method designed to reduce the opportunities for phishing attacks and email spam. Combined with other common authentication mechanisms, the chances that your sending domains

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spam traps

Spam Traps: Break it Down

Aug. 16, 2019 / By Avi Goldman

Find and fix issues faster with our breakdown of spam traps now available as part of our Spam Trap Monitoring feature inside of SparkPost Signals.

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spam complaints owls

Spam Complaints: What You Need To Know

Dec. 14, 2016 / By Clea Moore

Spam complaints tell ISPs how to treat your mail and can indicate the health of your overall mail program. Here’s how to use them to optimize your programs.

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spam traps

Spam Traps Part 1 – What Are They?

Jan. 6, 2016 / By Clea Moore

What are spam traps and why should care about them? In this part 1 of 3 part blog series we'll answer those questions and how it can impact your email program and how you can avoid sending to them.

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Top 10 CASL Myths: Sending Email to Canada Legally

Jan. 4, 2016 / By Sparky

Developers and marketers responsible for sending email are expected to understand and comply with anti-spam legislation like Canada’s Anti-Spam Law (CASL). This can be particularly difficult when myths and misconceptions abound. In an effort to eliminate confusion, we dispelled the top 10 CASL myths regarding CASL compliance.

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Malware Email Attachments

How To Avoid Looking Like A Malware Sender

Jul. 22, 2015 / By Tonya Gordon

I recently was catching up on my email, and I was struck that there wasn’t a single marketing message with an attachment in my inbox. The only notes with attachments were transactional in nature: a receipt from a store I made a purchase from and a voicemail notification from my company’s phone system. Those transactional messages didn’t have any images, nor were they long with a bunch of offers. Sure, there were a few links to their website where I could find marketing offers, but no big call to action beyond the essential transactional purpose of the message.

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The History of Spam

Mar. 12, 2015 / By Sparky

Call Gary-T-Webit Spam or Unsolicited Commercial Email (UCE), it’s still the same thing: a confounding problem that has plagued our inboxes, and the world, starting with the first piece of spam in 1978 by Gary Thuerk.

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Shock & Awe In The Inbox

Jan. 29, 2015 / By Sparky

Some years back I wrote a blog post entitled “What I Learned From Nigerian Spammers.” The inspiration for the post came from a piece of spam I received while working for Unica, and attending the Marketing Innovation Summit (the last as we were just acquired by IBM).

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