Send via SMTP First you’ll need to grab your SMTP credentials (user and password). SMTP credentials are set and managed on a per-domain basis. You can view and modify them via our HTTP API or UI. To access them in our UI, navigate on the sidebar to Sending -> Domain Settings, select your domain from the dropdown, then select the SMTP …
Mailgun SMTP Settings (2026) Complete guide to configure Sinch Mailgun SMTP relay for transactional emails. Includes domain verification, US/EU regions, SMTP credentials, and code examples.
Setup Mailgun SMTP for transactional emails. Includes domain verification, credential setup, and code examples for PHP, Python, and Node.js applications.
mailgun – Free download as Text File (.txt), PDF File (.pdf) or read online for free. The document contains configuration details for sending email via Mailgun SMTP servers, including the URL, method, mail host, port, username, password, and sender details for various domains. There are 27 entries that specify these mail transfer settings for different websites.
On this page you will find the SMTP hostname, port, username, and default password that you will need to set up SMTP authentication for your email sending requests.
Complete developer guide to setting up Mailgun SMTP with code examples, configuration steps, and troubleshooting tips. Get email delivery working in 30 minutes.
I have: SMTP server: smtp.mailgun.org SMTP username: postmaster@mg.supportdifferent.com SMTP password: SMTP authentication: plain SMTP OpenSSL verify mode: peer Enable STARTTLS: auto But get the error: E-mail could not be sent with this configuration, try again. execution expired I found a discussion that said that “SMTP OpenSSL verify mode” should be “peer” and not “none” but no mention of …
Mailgun SMTP settings Log in to your Mailgun account. Proceed to Mailgun Sending -> Domains, select your domain. Select SMTP and Mailgun will provide you with a username, password and other SMTP settings. Copy the username and password and use the following SMTP settings. Email address: The email address that will be used for sending the emails SMTP Server: smtp.mailgun.org Port: 587 Use …
This area allows you to test your SMTP server. Enter an email address to send the test email address to (can be the same as your email address set above). Once you enter the email address, press Send Test. You will see the text area at the bottom of the page start showing some details. More Mailgun user support for SMTP set up can be found here.
Learn where to create and find SMTP credentials for your LC Email dedicated domain, including smtp.mailgun.org settings and ports, plus steps to reset/delete credentials, limits, and IMAP notes.