smtpedia

Smtpedia is an all-in-one email marketing wiki where you can find an answer to almost all your email-related questions in form of guides and tutorials.

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beehiiv now sends through Hex, its own MTA on IPs it owns: 137M+ emails a day, up to 3.7M a minute. beehiiv reports 99.1% acceptance, lowest at Outlook (98.4%). Acceptance is not inbox placement, so watch Postmaster Tools.

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Adobe Journey Optimizer now removes its open pixel for each recipient who refused open tracking, without blocking delivery. Only an explicit "n" in a new consent field triggers it; a blank field changes nothing. Built for the CNIL pixel rules.

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Microsoft patched CVE-2026-124194, an exploited Outlook flaw: a crafted message file can make Outlook connect to an attacker server without the usual warning and leak the user's NTLMv2 hash. Fix: the 10 November Office updates.

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Barracuda confirms attackers are exploiting two Email Security Gateway flaws, CVE-2026-116606 and CVE-2026-111560, that chain to root access. Patches shipped on 2 November. First step: keep the ESG admin interface off the internet.

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From 1 March 2027, Mailgun SMTP accepts TLS 1.2 or higher only. TLS 1.0 and 1.1 connections are rejected and those messages are not sent. API sending is not affected. Check old servers, .NET 4.5 apps and plugins now.

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Validity: Gmail inbox placement fell from 90.97% in Q1 2026 to 81.57% in Q3, down 9.4 points. Google Workspace fell from 88.9% to 74.3%. Gmail spam placement rose from 5.4% to 9.5%.

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Salesforce will buy Braze for $47.50 a share in cash, about $5.66B. Closing expected from February 2027. Braze says contracts, pricing and hosting stay the same until then, and no Marketing Cloud integration decision has been made.

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France's Conseil d'État upheld the CNIL's €50M fine on Orange: ads shown as emails in the Mail Orange inbox are direct email marketing and need prior consent. Cookies read after a withdrawal were also a breach.

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SEGA confirms 2,196,044 newsletter addresses leaked in a breach at ARARA, its Japanese email delivery vendor. ARARA says its own platform was then used to send up to 7.13 million phishing emails. SEGA's systems were not breached.

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and Hotmail are rejecting some mail with "550 5.7.1 Message lacks SPF/DKIM/DMARC Auth Records (AS9031519)" since 5 November. The domains hit share one gap: no DMARC record. Microsoft has not explained it yet.

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The largest penalty for unlawful marketing email: A$7.5M, Commonwealth Bank, 2024. We ranked 16 verified cases from ACMA, FTC, CNIL, CRTC and ICO. 13 date from 2022 or later, and most come down to a broken unsubscribe.

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Brevo had a four-hour incident on 6 November: marketing and transactional email delivery, tracking links, contacts and automations were degraded from 14:05 to 18:22 UTC. Now resolved. Check your logs for that window before resending anything.