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Built-in safeguards help you avoid spam filters and keep your sender reputation intact — no more blacklists or delivery issues.
Easily organize, schedule, and edit multiple campaigns from one streamlined dashboard. Designed to scale with your outreach.
Upload contacts from Excel, CSV. Quickly manage large recipient lists without limits.
Customize how many emails are sent per minute or hour. Fine-tune your delivery rate to stay compliant and improve inbox placement.
Answers to questions you might have about Mass Emailer.
Mass Emailer lets you send personalized bulk emails directly from Thunderbird. It's designed for campaigns, newsletters, and announcements without needing a third-party service.
It’s ideal for small businesses, consultants, researchers, nonprofits, or anyone who needs to send emails to large groups from their own inbox.
Absolutely. You can save and reuse templates with placeholders like {{name}} and {{company}} to personalize each message.
Currently, it’s designed exclusively for Thunderbird. Integration with other clients is not available at the moment.
Yes! Installation is simple, and the interface is intuitive. You’ll be creating and sending campaigns in minutes, no tech skills needed.
GO TO THUNDERBIRD ADD ONS AND DOWNLOAD MASS EMAILER