Contact Details is owned by Railsware Products Studio LLC, United States of America company registered office:

  • Address: 118 Coalpit Hill Road, Danbury CT 06810, USA
  • EIN 85-4324808
  • Managing Director: Alessandra Silveira

Mailtrap is crafted by, it's 9 years on the market and is trusted by over 900,000 devs, QAs, and managers worldwide. 

Besides, it's a registered trademark in the EU, the US, and the UK.

We provide infrastructure and services for:

  • Email Testing: Fake SMTP, API.
  • Email Delivery: SMTP Relay, Email API.

Mailtrap's main SMTP Relay host is

Contact Details

Responsible Postmaster:

  • Oleksii Ianchuk
  • Contact email:

In case of any abuse cases please reach Mailtrap at

In case of any other inquiries please use

We are happy to cooperate and resolve any possible issues.

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