If you need newsletters and templates

Mailchimp, Brevo, Constant Contact — best email marketing software for a classic list. Brahmastra is not trying to win that listicle.

If you send from Gmail or Xero on Windows

Brahmastra is the best bulk email software in that niche: licensed, isolated Chrome, G-Api optional. See bulk email software for small business and ESP alternatives.

Free bulk email software

Free tiers exist at ESPs with strict limits. Brahmastra is not free bulk email software. Unsolicited bulk mail is forbidden in our terms.

More from the blog

All blog postsBulk email, SMTP, API, and deliverability Best bulk email softwareHow to pick a sender in 2026 How to send bulk emailsGmail, API, and Xero Bulk email from GmailManual Sender walkthrough Mailchimp vs BrahmastraCloud ESP vs Windows sender SendGrid vs BrahmastraSMTP relay vs Gmail API Bulk email with SMTPWhen you need a relay Bulk email with APIGmail API and G-Api Download appsWindows bulk email EXEs