At SparkPost, we love email. The way you feel about those pictures of your cat you posted on Instagram? That’s how we feel about email. But we know not everyone shares our excitement about email RFCs. Which is why we work to share our knowledge of email standards and make sure that setting up and sending email is as easy as possible for as many people as possible. Except for you, Mr. Western Union scammer.
Email has grown a lot over the past 40+ years and along the way several standards have cropped up, meant to combat spam, phishing, and spoofing. Keeping up with these standards and implementing them correctly can be tough. On the flip side, setting them up the wrong way can really hurt your business. Set up incorrectly, your email won’t get delivered or, more dangerously for your customers, will let any malicious sender impersonate you online, even to the point of letting someone change your content while it’s in flight.
That’s why today we’re happy to announce the release of three new tools for building and verifying the state of your email. I’ll walk you through each of them quickly and how they can help you win the trust of ISPs and your users.
DKIM is a content authentication standard meant to let ISPs (Internet Service Providers, the ones who manage the inboxes you send to) verify that the email you sent is the one they received and that no content has changed since it left your system. DKIM requires you to set up a special DNS record with a public key and other metadata that receivers use to verify the content of the message they receive.
Our DKIM Validator lets you safely verify that your DKIM is set up correctly. It will give you a unique email address; send to that address from your domain (through the system you’re validating) and we will check your DNS entry and make sure the email we received complies with the DKIM policy you set up. We’ll even give you recommendations if we find something that could help you out.
Find something surprising in the results and want to share them? We got ya covered: all results are deep-linkable for easy sharing (click the “Share” button, and we’ll even put the URL in your clipboard).
Not sure about any of this DKIM stuff? Sign up for a SparkPost account and we’ll take care the hard parts for you.
SPF is a standard used by ISPs to verify that an email addressed “from” your domain is coming from a server that you’ve specifically said is allowed to send for your domain. Setting up a correct SPF DNS record is one of the best ways to combat spoofing attacks and keep your email reputation high.
The thing is, SPF is deceptively complicated. There are only a handful of simple mechanisms in the SPF standard, but when they’re combined into your domain’s record, it soon becomes a complicated tree of hosts, any of which can send for your organization. It’s quite easy to be too broad and leave yourself open to spoofing attacks, or be too narrow and have your email appear to be illegitimate.
That’s why we made the SPF Builder – it will walk you through a series of simple questions to build out your SPF record. You don’t need to know any special syntax, we’ll translate everything for you and even copy it to your clipboard for easy pasting into your favorite DNS provider!
Whether your SPF record came from our builder or is artisanally hand-crafted, it’s good to check the validity of your record once it’s live. Our new SPF Inspector will not only verify your record’s syntax (and the syntax of any others you’ve included), it will also show you all IPs and hosts that are allowed to send on your behalf. If we find anything wrong, or slightly not great, we’ll give you a heads up along with some pointers on how to fix what’s not quite right.
All your results are shareable, just like the DKIM Validator. In addition, if you are signed in to your SparkPost account, we’ll keep a history of the domains you inspect over time. That becomes really useful as you start to manage and send from several domains.
Find SPF too confusing? Send through SparkPost and we’ll handle all the messy SPF details for you!
Go Check ‘em Out
We’re really proud of these SparkPost email tools and we think they will make your life easier and your email better. Do you have ideas for other tools that would help you send better email? Let us know on Twitter, Slack, or in the comments!
— Cole Furfaro-Strode
Here’s the full press release on the SparkPost email tools