How to Send Emails in Salesforce

Salesforce supports several email-sending approaches suited to different needs, including direct platform sending with a verified custom domain, Gmail or Microsoft 365 for low-volume mailbox-based communication, SMTP email relays for greater deliverability control, and Mailtrap-based testing and analytics. Licensed organizations generally can send up to 5,000 external single-email recipients daily, while developer and trial accounts face much lower limits, with additional hourly, recipient, mass-email, and workflow restrictions. Users can send individual messages from records or quick actions in Lightning and Classic, personalize messages with templates and merge fields, attach files, track engagement, and send bulk campaigns through List Email or Mass Email. Automation options include Flow for no-code email processes, email alerts for event-driven notifications, Apex for programmatic handling of attachments, batches, public groups, and triggers, and Marketing Cloud Email Studio for triggered marketing messages. The guide also describes Email-to-Case for turning incoming support emails into cases and replying through the Service Console, while emphasizing domain authentication through SPF and DKIM, testing messages before delivery, suppression management, and awareness of provider-specific limitations.

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