March 13, 2015 Emailtest.eu is a service for open mailboxes. All mailboxes are public domain, you can get any mail-address within the domains emailtest.nl and emailtest.eu. All mails are considered public domain so be careful what you send and receive in those mailboxes, someone else might be watching. Try the test or info-mailbox! You can also send emails from these addresses, the mails are sent through the SendGrid API. More information on the emailtest.eu website.