For agencies, developers and specialist publishers

Recommend a useful email service.
Earn 40% recurring.

Introduce MailSenpai and SMTP Senpai to people who need an email marketing platform or an SMTP/API sending service. Earn commission from eligible new customers while they keep paying, with no fixed expiry.

Apply for freePartner sign-in
40%

Of collected payments excluding VAT. EUR 100 generates EUR 40 before partner taxes.

90 days

Attribution window from the last valid referral arrival, subject to technical limits.

60 days

Commission maturity; monthly bank transfers from EUR 50 with valid documents.

A recommendation your audience can use

Build a real tutorial, select an appropriate sending engine for a client, or document an integration. Link to the relevant resource and disclose the affiliate relationship. Free tools and plugins can help readers evaluate their setup; commissions arise only from eligible paid services.

SMTP Senpai · Integrations and connectors · Free email tools

From application to commission

  1. Tell us who you help and where you recommend the service.
  2. We review your application manually and email your personal link after approval.
  3. Eligible new customers are attributed at their first payment. Renewals retain their recorded commission terms.
  4. View commissions and adjustments in your partner area; provide the documents needed for payouts.

No entry fee, automatic discount or minimum earnings guarantee. Self-referrals and artificial reviews or installations are excluded. Positive reviews and ranking positions are never required.

Apply to the programme

Applying is free. Approval is manual; no promotion code is activated just by submitting this form.

Questions before joining

Does recurring mean only the first year?

No. The standard rate is 40% without a fixed expiry while the attributed customer continues to pay. Refunds and disputes adjust the balance.

Can I review the tools independently?

Yes. Disclose affiliation, report actual limitations and keep your judgement independent. A positive rating or reciprocal link is never a condition.

Can every platform use SMTP Senpai?

Compatibility depends on the platform’s transport options, version and limits. A generic SMTP option is not a native catalogue approval. Test the specific path before recommending it.

Programme terms version 2026-10-20.