How I got my business emails through spam filters with SPF, DKIM, and DMARC
SPF, DKIM, and DMARC are essential DNS-based authentication records that help prevent emails from being marked as spam. These protocols ensure that emails are legitimate and protect domains from being hijacked. Implementing all three is now necessary for effective email communication, especially for bulk senders.
- ▪SPF, DKIM, and DMARC help keep your emails out of junk folders and protect your domain.
- ▪Gmail and Yahoo enforced these authentication requirements for bulk senders in February 2024.
- ▪Microsoft followed suit in May 2025, making these protocols mandatory for Outlook.com users.
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| Original publisher | ZDNet |
| Canonical URL | https://www.zdnet.com/article/work-emails-going-to-spam-security-tweaks-to-fix/ |
| Publication time | Wed, 27 May 2026 18:00:44 GMT |
| Retrieval time | 2026-05-27T18:08:02.537Z |
| Last seen | 2026-05-27T18:08:02.537Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | Ml2CcIsXNsw9 |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
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| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
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Home & Office Home Home & Office Work Life Productivity How I got my business emails through spam filters with SPF, DKIM, and DMARC SPF, DKIM, and DMARC are three DNS-based authentication records that stop your emails from landing in spam and prevent criminals from spoofing your domain. Written by Ritoban Mukherjee, Contributing WriterContributing Writer May 27, 2026 at 11:00 a.m. PT Kerry Wan/ZDNETFollow ZDNET: Add us as a preferred source on Google.ZDNET key takeawaysThere are three DNS records that protect your domain and keep your emails out of junk.Running all three gives you complete coverage. They also protect your domain from being hijacked.If you send a lot of work emails and keep getting radio silence, your emails are very likely ending up in someone's spam folder.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at ZDNet.