Complete REST API for managing email delivery, tracking, and analytics.
Get started in minutes:
For detailed guides, see the Getting Started section in the navigation.
Q: How do I sign up?
Contact support@mailerlogic.com to set up your account and receive your API credentials.
Q: What happens if I exceed my monthly limit?
Emails will be queued until your limit resets at the beginning of the next billing cycle. To continue sending immediately, upgrade your plan or purchase additional credits.
Q: Can I change my plan later?
Yes, you can upgrade or downgrade anytime. Changes take effect at the start of your next billing cycle.
Q: Why do I need to verify my domain?
Domain verification proves you own the domain and enables email authentication (SPF, DKIM, DMARC), which significantly improves deliverability and prevents spoofing.
Q: How long does DNS verification take?
DNS changes typically propagate within 1-4 hours, but can take up to 48 hours in some cases.
Q: Do I need a subdomain or can I use my main domain?
We recommend using a subdomain like mail.yourdomain.com for sending. This:
Q: What if my domain verification fails?
Check that:
Use the verify endpoint to see specific failure reasons.
Q: Can I use multiple domains?
Yes! You can add multiple domains to your account (based on your plan limits). Each domain has independent statistics and reputation.
Q: What's the difference between SMTP and REST API?
/api/send) for sending emails with JSON payload - recommended for modern applicationsQ: What SMTP ports do you support?
Q: Can I send attachments?
Yes, attachments are fully supported via SMTP. Maximum email size including attachments is 10MB.
Q: How many recipients can I send to per email?
Maximum 50 recipients per email. For larger lists, send multiple emails or use our bulk sending features.
Q: What's the sending rate limit?
Rate limits depend on your plan and IP reputation:
Q: Why are my emails going to spam?
Common causes: