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Tools & platforms: Microsoft 365, Google Workspace and sending platforms

Most small and mid-sized companies do not run a mail server: they rely on Microsoft 365 or Google Workspace, add an email marketing tool, then connect applications as needs grow. Each platform has its settings, its limits and its own change calendar, and what worked yesterday may need adapting tomorrow.

This selection gathers our articles on these tools, whatever their original section. On the Microsoft side, they cover the TERRL sending limit, sending from an alias, mailbox quotas, the end of EWS and SMTP AUTH Basic, DNSSEC, DANE and MTA-STS in Exchange Online, and Outlook.com DMARC rejections.

On the Google side, you will find AI in Gmail, Workspace Studio, agent access to mailboxes, Data Import and Postmaster Tools. The selection also covers sending platforms such as Brevo, ActiveCampaign or Mailjet, and alternatives for transactional email. These are not sales comparisons: the goal is to understand how these tools affect your flows, your security and your deliverability.