Send bulk emails using Resend. Emails are sent one at a time with a 6-second delay.
How to avoid spam folder
Add your domain in Resend Dashboard and configure SPF, DKIM, DMARC. Use a verified sender address (e.g. EzClaw <noreply@ezclaw.dev>). Avoid spammy words in subject/body, add unsubscribe link, keep HTML clean.
Leave empty for default. Use verified domain: Name <email@ezclaw.dev>