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Thu, 15 Oct 2026 02:40:48 GMT https://validator.w3.org/feed/docs/rss2.html https://github.com/jpmonette/feed All rights reserved 2026 https://www.suped.com/blog/uat-11985-phishing-uses-event-invitations-to-steal-google-account-sessions uat-11985-phishing-uses-event-invitations-to-steal-google-account-sessions Fri, 09 Oct 2026 23:28:38 GMT Michael Ko https://www.suped.com/blog/ietf-publishes-first-working-group-draft-for-aggregate-email-performance-reports ietf-publishes-first-working-group-draft-for-aggregate-email-performance-reports Fri, 09 Oct 2026 23:21:37 GMT Matthew Whittaker https://www.suped.com/blog/cisa-warns-of-exchange-password-spraying-and-automated-email-theft cisa-warns-of-exchange-password-spraying-and-automated-email-theft Fri, 09 Oct 2026 23:15:00 GMT Matthew Whittaker https://www.suped.com/blog/email-security-for-nonprofits email-security-for-nonprofits Tue, 06 Oct 2026 23:56:52 GMT Matthew Whittaker https://www.suped.com/blog/email-security-for-veterans email-security-for-veterans Tue, 06 Oct 2026 23:55:52 GMT Matthew Whittaker https://www.suped.com/blog/ietf-email-setup-draft-adds-dns-delegation-and-impersonation-safeguards ietf-email-setup-draft-adds-dns-delegation-and-impersonation-safeguards Mon, 05 Oct 2026 23:14:11 GMT Michael Ko https://www.suped.com/blog/antino-phishing-spoofs-trusted-senders-despite-spf-passing antino-phishing-spoofs-trusted-senders-despite-spf-passing Thu, 01 Oct 2026 23:27:40 GMT Michael Ko https://www.suped.com/blog/microsoft-details-zimbra-attacks-that-steal-mailbox-authentication-secrets microsoft-details-zimbra-attacks-that-steal-mailbox-authentication-secrets Thu, 01 Oct 2026 23:21:14 GMT Matthew Whittaker https://www.suped.com/blog/cisa-flags-active-exploitation-of-fortimail-cve-2026-104286 cisa-flags-active-exploitation-of-fortimail-cve-2026-104286 Thu, 01 Oct 2026 23:14:17 GMT Michael Ko https://www.suped.com/blog/smb1001-2027-dmarc-and-email-authentication-updates smb1001-2027-dmarc-and-email-authentication-updates Mon, 28 Sep 2026 11:37:08 GMT Michael Ko https://www.suped.com/blog/mortgage-phishing-uses-uwm-branding-and-fake-google-sign-in-pages mortgage-phishing-uses-uwm-branding-and-fake-google-sign-in-pages Mon, 21 Sep 2026 23:11:52 GMT Matthew Whittaker https://www.suped.com/blog/ietf-draft-tightens-oauth-token-protections-for-native-email-clients ietf-draft-tightens-oauth-token-protections-for-native-email-clients Thu, 17 Sep 2026 23:11:22 GMT Michael Ko https://www.suped.com/blog/cisco-confirms-active-exploitation-of-critical-email-gateway-flaw cisco-confirms-active-exploitation-of-critical-email-gateway-flaw Tue, 15 Sep 2026 23:13:05 GMT Michael Ko https://www.suped.com/blog/microsoft-uncovers-million-email-executive-impersonation-campaign microsoft-uncovers-million-email-executive-impersonation-campaign Sat, 12 Sep 2026 13:10:53 GMT Michael Ko https://www.suped.com/blog/smtputf8-draft-revises-unicode-address-rules-to-reduce-impersonation-risks smtputf8-draft-revises-unicode-address-rules-to-reduce-impersonation-risks Fri, 11 Sep 2026 13:17:24 GMT Matthew Whittaker https://www.suped.com/blog/dkim2-best-practices-draft-adds-forwarding-privacy-and-bounce-handling-guidance dkim2-best-practices-draft-adds-forwarding-privacy-and-bounce-handling-guidance Fri, 11 Sep 2026 13:10:30 GMT Michael Ko https://www.suped.com/blog/microsoft-resolves-exchange-online-external-email-delays microsoft-resolves-exchange-online-external-email-delays Sat, 05 Sep 2026 13:19:23 GMT Michael Ko https://www.suped.com/blog/microsoft-finds-invisible-unicode-tags-evading-email-filters microsoft-finds-invisible-unicode-tags-evading-email-filters Sat, 05 Sep 2026 13:12:52 GMT Michael Ko https://www.suped.com/blog/microsoft-to-throttle-or-block-outdated-exchange-2016-and-2019-mail-in-september microsoft-to-throttle-or-block-outdated-exchange-2016-and-2019-mail-in-september Thu, 03 Sep 2026 13:09:59 GMT Michael Ko https://www.suped.com/blog/microsoft-365-outage-disrupts-exchange-online-mail-flow microsoft-365-outage-disrupts-exchange-online-mail-flow Wed, 02 Sep 2026 13:12:40 GMT Michael Ko https://www.suped.com/blog/dkim2-draft-06-adds-replay-detection-guidance-for-verifiers dkim2-draft-06-adds-replay-detection-guidance-for-verifiers Sat, 29 Aug 2026 13:12:51 GMT Matthew Whittaker https://www.suped.com/blog/ietf-core-email-draft-30-revises-smtp-confidentiality-requirements ietf-core-email-draft-30-revises-smtp-confidentiality-requirements Thu, 27 Aug 2026 13:15:27 GMT Michael Ko https://www.suped.com/blog/dkim2-draft-05-adds-sha-512-and-tighter-validation-rules dkim2-draft-05-adds-sha-512-and-tighter-validation-rules Wed, 26 Aug 2026 13:24:18 GMT Michael Ko https://www.suped.com/blog/apple-keeps-hide-my-email-addresses-on-icloudcom apple-keeps-hide-my-email-addresses-on-icloudcom Wed, 26 Aug 2026 13:14:53 GMT Matthew Whittaker https://www.suped.com/blog/email-security-for-seniors email-security-for-seniors Tue, 11 Aug 2026 02:46:48 GMT Michael Ko https://www.suped.com/blog/gmail-adds-reply-all-warnings-for-bcc-recipients gmail-adds-reply-all-warnings-for-bcc-recipients Sat, 01 Aug 2026 13:13:22 GMT Matthew Whittaker https://www.suped.com/blog/rfc-9989-explained-the-dmarc-changes-security-leaders-should-know rfc-9989-explained-the-dmarc-changes-security-leaders-should-know Wed, 29 Jul 2026 01:41:33 GMT Michael Ko https://www.suped.com/blog/email-security-basics-for-students email-security-basics-for-students Tue, 28 Jul 2026 04:32:19 GMT Matthew Whittaker https://www.suped.com/blog/fake-shinyhunters-sextortion-emails-use-leaked-breach-data fake-shinyhunters-sextortion-emails-use-leaked-breach-data Sun, 26 Jul 2026 13:13:13 GMT Michael Ko https://www.suped.com/blog/exchange-online-mailbox-quarantine-incident-blocks-email-delivery exchange-online-mailbox-quarantine-incident-blocks-email-delivery Fri, 24 Jul 2026 13:11:53 GMT Michael Ko https://www.suped.com/blog/ietf-publishes-first-working-group-draft-for-dkim2-dns-records ietf-publishes-first-working-group-draft-for-dkim2-dns-records Tue, 21 Jul 2026 13:15:01 GMT Michael Ko 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/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/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-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 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/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-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-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/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-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/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/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/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