https://www.suped.com/blog Stay informed with Suped updates, email authentication, security and deliverability news, and insights on DMARC, SPF, and DKIM. Sun, 19 Jul 2026 12:52:19 GMT https://validator.w3.org/feed/docs/rss2.html https://github.com/jpmonette/feed All rights reserved 2026 https://www.suped.com/blog/forg365-phishing-platform-targets-microsoft-365-with-device-code-attacks forg365-phishing-platform-targets-microsoft-365-with-device-code-attacks Fri, 10 Jul 2026 13:11:32 GMT Matthew Whittaker https://www.suped.com/blog/artoken-phishing-panel-targets-microsoft-365-invoice-workflows artoken-phishing-panel-targets-microsoft-365-invoice-workflows Thu, 02 Jul 2026 13:15:13 GMT Matthew Whittaker https://www.suped.com/blog/blesta-ransom-email-shows-why-spf-dkim-and-dmarc-do-not-prove-intent blesta-ransom-email-shows-why-spf-dkim-and-dmarc-do-not-prove-intent Sun, 28 Jun 2026 13:16:01 GMT Michael Ko https://www.suped.com/blog/cybercert-and-suped-smb10012026-email-authentication-for-msps cybercert-and-suped-smb10012026-email-authentication-for-msps Thu, 25 Jun 2026 01:21:21 GMT Michael Ko https://www.suped.com/blog/new-dkim2-deployment-profile-draft-proposes-a-milter-rollout-path new-dkim2-deployment-profile-draft-proposes-a-milter-rollout-path Tue, 23 Jun 2026 13:14:24 GMT Matthew Whittaker https://www.suped.com/blog/ietf-dkim-working-group-publishes-first-dkim2-best-practices-draft ietf-dkim-working-group-publishes-first-dkim2-best-practices-draft Fri, 19 Jun 2026 13:14:05 GMT Matthew Whittaker https://www.suped.com/blog/gravity-smtp-flaw-exposes-email-sending-credentials-during-mass-exploitation gravity-smtp-flaw-exposes-email-sending-credentials-during-mass-exploitation Thu, 18 Jun 2026 13:15:58 GMT Matthew Whittaker https://www.suped.com/blog/google-reports-unc6508-used-workspace-rules-to-steal-email google-reports-unc6508-used-workspace-rules-to-steal-email Wed, 17 Jun 2026 13:13:53 GMT Michael Ko https://www.suped.com/blog/spamhaus-adds-enriched-botnet-candc-data-to-cert-insight-portal spamhaus-adds-enriched-botnet-candc-data-to-cert-insight-portal Mon, 15 Jun 2026 20:39:43 GMT Michael Ko https://www.suped.com/blog/new-google-postmaster-tools-deliverability-analysis-feature-update new-google-postmaster-tools-deliverability-analysis-feature-update Thu, 11 Jun 2026 07:34:36 GMT Michael Ko https://www.suped.com/blog/microsoft-snds-2026-changes-what-senders-need-to-know-before-june-8 microsoft-snds-2026-changes-what-senders-need-to-know-before-june-8 Sun, 07 Jun 2026 00:00:27 GMT Michael Ko https://www.suped.com/blog/dmarcbis-is-now-published-as-rfc-9989-9990-9991 dmarcbis-is-now-published-as-rfc-9989-9990-9991 Mon, 01 Jun 2026 07:07:43 GMT Matthew Whittaker https://www.suped.com/blog/arc-is-being-retired-what-the-ietf-draft-means-for-dmarc-teams arc-is-being-retired-what-the-ietf-draft-means-for-dmarc-teams Fri, 24 Apr 2026 03:30:00 GMT Michael Ko https://www.suped.com/blog/ncsc-mail-check-is-shutting-down-here-is-what-to-do-next ncsc-mail-check-is-shutting-down-here-is-what-to-do-next Mon, 02 Mar 2026 04:36:00 GMT Matthew Whittaker https://www.suped.com/blog/laposte-cuts-tolerance-in-half-new-0-5-spam-complaint-rate-starts-feb-2nd laposte-cuts-tolerance-in-half-new-0-5-spam-complaint-rate-starts-feb-2nd Mon, 19 Jan 2026 23:40:00 GMT Matthew Whittaker https://www.suped.com/blog/dsi-smb1001-2026-dmarc-and-email-security-updates-explained dsi-smb1001-2026-dmarc-and-email-security-updates-explained Sun, 11 Jan 2026 03:48:00 GMT Michael Ko https://www.suped.com/blog/new-gmail-bulk-sender-compliance-updates-november-2025 new-gmail-bulk-sender-compliance-updates-november-2025 Tue, 04 Nov 2025 05:48:00 GMT Matthew Whittaker https://www.suped.com/blog/google-postmaster-tools-domain-reputation-and-ip-reputation-have-been-discontinued google-postmaster-tools-domain-reputation-and-ip-reputation-have-been-discontinued Tue, 28 Oct 2025 05:50:00 GMT Michael Ko https://www.suped.com/blog/google-postmaster-tools-v2-manage-domains-is-now-live google-postmaster-tools-v2-manage-domains-is-now-live Fri, 15 Aug 2025 01:23:00 GMT Michael Ko https://www.suped.com/blog/gmail-launches-manage-subscriptions-directly-in-gmail-everything-you-need-to-know gmail-launches-manage-subscriptions-directly-in-gmail-everything-you-need-to-know Mon, 14 Jul 2025 22:45:00 GMT Matthew Whittaker https://www.suped.com/blog/yahoo-announces-changes-to-at-and-t-mail-routing yahoo-announces-changes-to-at-and-t-mail-routing Thu, 26 Jun 2025 22:15:00 GMT Michael Ko https://www.suped.com/blog/orange-fr-postmaster-is-tightening-the-screws-what-their-august-2025-deliverability-updates-mean-for-you orange-fr-postmaster-is-tightening-the-screws-what-their-august-2025-deliverability-updates-mean-for-you Thu, 12 Jun 2025 23:19:00 GMT Michael Ko https://www.suped.com/blog/how-to-fix-dkim-body-hash-mismatch-failures how-to-fix-dkim-body-hash-mismatch-failures Wed, 11 Jun 2025 03:54:00 GMT Matthew Whittaker https://www.suped.com/blog/what-rfc-5322-says-vs-what-actually-works what-rfc-5322-says-vs-what-actually-works Tue, 10 Jun 2025 03:54:00 GMT Matthew Whittaker https://www.suped.com/blog/how-long-does-it-take-to-recover-domain-reputation-from-bad-low-to-high how-long-does-it-take-to-recover-domain-reputation-from-bad-low-to-high Sun, 08 Jun 2025 04:02:00 GMT Matthew Whittaker https://www.suped.com/blog/how-to-comply-with-outlook-s-new-sender-requirements how-to-comply-with-outlook-s-new-sender-requirements Sat, 05 Apr 2025 10:22:00 GMT Matthew Whittaker https://www.suped.com/blog/boost-email-deliverability-rates-technical-solutions-from-top-performing-senders boost-email-deliverability-rates-technical-solutions-from-top-performing-senders Thu, 20 Mar 2025 00:00:00 GMT Michael Ko https://www.suped.com/blog/email-deliverability-why-95-success-rate-no-longer-cuts-it email-deliverability-why-95-success-rate-no-longer-cuts-it Thu, 20 Mar 2025 00:00:00 GMT Michael Ko https://www.suped.com/blog/email-deliverability-issues-getting-your-messages-to-the-inbox-in-2025 email-deliverability-issues-getting-your-messages-to-the-inbox-in-2025 Thu, 20 Mar 2025 00:00:00 GMT Michael Ko https://www.suped.com/blog/understanding-google-postmaster-tools-v2-spam-rate-dashboard understanding-google-postmaster-tools-v2-spam-rate-dashboard Thu, 20 Mar 2025 00:00:00 GMT Matthew Whittaker https://www.suped.com/blog/ultimate-guide-to-google-postmaster-tools-v2 ultimate-guide-to-google-postmaster-tools-v2 Thu, 20 Mar 2025 00:00:00 GMT Michael Ko https://www.suped.com/blog/why-your-emails-are-going-to-spam-in-2024-and-how-to-fix-it why-your-emails-are-going-to-spam-in-2024-and-how-to-fix-it Thu, 20 Mar 2025 00:00:00 GMT Michael Ko https://www.suped.com/blog/how-to-increase-email-click-through-rate-step-by-step-guide how-to-increase-email-click-through-rate-step-by-step-guide Thu, 20 Mar 2025 00:00:00 GMT Matthew Whittaker https://www.suped.com/blog/google-postmaster-tools-domain-reputation-the-ultimate-guide-for-email-marketers google-postmaster-tools-domain-reputation-the-ultimate-guide-for-email-marketers Thu, 20 Mar 2025 00:00:00 GMT Matthew Whittaker https://www.suped.com/blog/how-to-improve-domain-reputation-using-google-postmaster-tools-2025-guide how-to-improve-domain-reputation-using-google-postmaster-tools-2025-guide Thu, 20 Mar 2025 00:00:00 GMT Matthew Whittaker https://www.suped.com/blog/why-your-emails-fail-expert-guide-to-improve-email-deliverability-2025 why-your-emails-fail-expert-guide-to-improve-email-deliverability-2025 Thu, 20 Mar 2025 00:00:00 GMT Matthew Whittaker https://www.suped.com/blog/how-to-run-an-email-deliverability-test-a-proven-checklist how-to-run-an-email-deliverability-test-a-proven-checklist Thu, 20 Mar 2025 00:00:00 GMT Matthew Whittaker https://www.suped.com/blog/why-your-email-deliverability-rate-is-wrong-hidden-factors-most-marketers-miss why-your-email-deliverability-rate-is-wrong-hidden-factors-most-marketers-miss Thu, 20 Mar 2025 00:00:00 GMT Matthew Whittaker https://www.suped.com/blog/email-deliverability-report-2025-new-data-shows-43-of-businesses-missing-inbox email-deliverability-report-2025-new-data-shows-43-of-businesses-missing-inbox Thu, 20 Mar 2025 00:00:00 GMT Matthew Whittaker