best practices
Andris Reinman, author of Nodemailer and Email Engine, two very handy email-related tools, just published a very handy guide on what SaaS software developers and creators need to know about building or integrating email sending functionality into their platforms. This is a great technically-oriented resource that I find to be a good counterpoint to the deliverability-focused stuff I post all the time.As always, there are many ways to skin a cat (ugh, I hate that phrase), so of course that the way Andris suggests to handle XYZ might not be the only good way to do it, and maybe I’ll even stumble across a suggestion or two that I don’t agree with. But that’s okay, because this is very good stuff overall, and I thank Andris for sharing his thoughts and expertise. That’s what making the email ecosystem a better place is all about. Sharing is caring!Read it here: Email
Learn about Gmail and Yahoo!’s new sender requirements and what you should do to become compliant and protect your sending. The post Gmail and Yahoo’s New Sender Requirements: A Closer Look appeared first on SendGrid.
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On Tuesday, October 3, Google and Yahoo announced updated sender requirements for those who wish to send mail to Gmail or Yahoo Mail successfully and in volume. Marcel Becker from Yahoo and Neil Kumaran from Google explain in detail what senders will have to do if they don’t want to find their mail blocked at either mailbox provider. They warn that failure to comply will result in rejected mail in early 2024.Any changes here really are evolutionary more than revolutionary. These have been solid “best practice” recommendations for a good long while; so I think of this as both “documenting what everybody knows” and laying the groundwork for reasoned, documented policy-based blocking of non-conforming mail. Those requirements boil down to this:Authenticate email. We were moving to a point where you basically already had to authenticate your email messages if you wanted inbox placement success; now it’s fair to say that it
Google are circulating a new set of requirements for bulk senders on their blog. So are Yahoo. It’s almost like postmasters talk to each other or something. If you dig through the links in the Gmail blog post you can find this summary of what they’ll be requiring from bulk senders by February: Set up SPF or DKIM email authentication for your domain. Ensure that sending domains or IPs have valid forward and reverse DNS records, also referred to as PTR records. Learn more Keep spam rates reported in Postmaster Tools below 0.3%. Learn more Format messages according to the Internet Message Format standard (RFC 5322). Don’t impersonate Gmail From: headers. Gmail will begin using a DMARC quarantine enforcement policy, and impersonating Gmail From: headers might impact your email delivery. If you regularly forward email, including using mailing lists or inbound gateways, add ARC headers to outgoing email. ARC headers indicate the message was forwarded and identify
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Gmail has long pushed for adoption of email authentication best practices from email senders, effectively making it tough to get to the inbox without proper email authentication in place. They also, for years now, have been very cautious about what mail they accept over IPv6, declining to accept mail over IPv6 that fails authentication checks. Well, now those same checks now apply to all mail sent to Gmail — over IPv4 or IPv6. Meaning, if you want to send mail to Gmail, you need to authenticate that mail with Domain Keys Identified Mail (DKIM) or Sender Policy Framework (SPF).If you’re trying to send mail to Gmail subscribers, and the mail doesn’t authenticate properly, it’ll be rejected with this error message:550-5.7.26 This mail is unauthenticated, which poses a security risk to the sender and Gmail users, and has been blocked. The sender must authenticate with at least one of SPF or