Customer registration

Send transactional email from your verified subdomain.

Techclick provides API and SMTP relay credentials for approved customers after work-email verification, sender-domain review, SPF, DKIM, and DMARC setup.

API server-side keys SMTP relay option DNS domain checks

Get access

Register for API or SMTP credentials

Checking

Name Work email Organization Website Sender subdomain Access needed Monthly transactional volume Transactional use case I will use this only for transactional email until Techclick separately approves marketing email.

After email verification, Techclick reviews your sender subdomain before issuing credentials.

1. Register

Submit your work email, organization, sender subdomain, expected volume, and transactional use case.

2. Verify

Confirm your email address, then prepare SPF, DKIM, and DMARC records for the sender subdomain.

3. Get credentials

After review, Techclick issues API keys or SMTP credentials with tenant-level limits and monitoring.

What customers receive

API and SMTP access after approval

Transactional send API for OTP, signup, password reset, login, receipts, and course notifications.
SMTP relay credentials for apps, SaaS products, LMS platforms, and WordPress sites.
Sender subdomain setup such as mail.customer.com or notify.customer.com.
Tenant-specific rate limits, daily caps, and abuse monitoring.
Separate approval path for future marketing email; not enabled by default.

DNS readiness

Required before sending

SPF authorizes the sending service.
DKIM signs mail for the customer subdomain.
DMARC exists and aligns with sender policy.
Use case is transactional and consent-safe.