Title: Error Caldera Forms Last modified: September 24, 2019 --- # Error Caldera Forms * [jimmymotc](https://wordpress.org/support/users/jimmymotc/) * (@jimmymotc) * [6 years, 8 months ago](https://wordpress.org/support/topic/error-caldera-forms/) * Hi, * My customer can’t use my caldera forms. I receive the following message from [support@one.com](https://wordpress.org/support/topic/error-caldera-forms/support@one.com?output_format=md) * This is the mail system at host mailout1-2.pub.mailoutpod1-cph3.one.com. * I’m sorry to have to inform you that your message could not be delivered to one or more recipients. It’s attached below. * failed: tr.fr: 400 Network error: Could not connect to tr.fr:25 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ferror-caldera-forms%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ The topic ‘Error Caldera Forms’ is closed to new replies. * ![](https://s.w.org/plugins/geopattern-icon/caldera-forms_475846.svg) * [Caldera Forms - More Than Contact Forms](https://wordpress.org/plugins/caldera-forms/) * [Frequently Asked Questions](https://wordpress.org/plugins/caldera-forms/#faq) * [Support Threads](https://wordpress.org/support/plugin/caldera-forms/) * [Active Topics](https://wordpress.org/support/plugin/caldera-forms/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/caldera-forms/unresolved/) * [Reviews](https://wordpress.org/support/plugin/caldera-forms/reviews/) * 0 replies * 1 participant * Last reply from: [jimmymotc](https://wordpress.org/support/users/jimmymotc/) * Last activity: [6 years, 8 months ago](https://wordpress.org/support/topic/error-caldera-forms/) * Status: not resolved