Rails Mailer “Net::OpenTimeout: execution expired” Exception on production server only
First, do a direct connection with Telnet: telnet smtp-relay.sendinblue.com 587 Trying 94.143.17.4… This is the basic connection troubleshooting, and works with any provider or port. Replace SendBlue and the 587 port with your actual hostname/port. If you get this error: telnet: Unable to connect to remote host: Connection timed out then, the problem isn’t in … Read more