Why smtp not working

If problems persist after all the above checks have been made, you may need to complete troubleshooting on your local setup for a resolution. Need a hand? Search over a hundred step-by-step support guides. How to fix issues with sending email SMTP Suddenly being unable to send emails can be a pain and can be caused by many different factors. Tagged: Email Hosting. Depending of what you have to do with it, you have some great chances to have your emails blocked in some ways or marked as SPAM.

And you will have to spend some times to keep your server up to date. They often propose a free account for small volume under emails per days.

Ask to your hosting provider if smtp is enabled on not on that server. I had same issue before for smtp and curl both. Contact hosting provider. This is not ideal, because of arbitrary barriers they have set, such as this one:. Our dedicated servers have an outbound email limit of per day.

If you need to send more than emails per day, please call Customer Support or open a support ticket to request a higher limit. Signup for an account in Sendgrid. Sendgrid provides free 12k emails per month, and I think that should suffice any basic needs. First Step: Sendgrid will ask you to add few DNS records to authenticate you for sending emails on behalf of that host.

So do it. Sending mails using PHP on sendgrid using this library available on github is easy:. It's a place where common sense makes no sense. I believe this should resolve any issues assuming things like login credentials are valid. I faced similar timeout issue , the reason was my hosting provider Linode. I guess many people face this issue because of smtp restrictions.

Timeout error is typical of packets dropped, so could be firewall issues between web server and SMTP server. If you got ssh access to your server, you can try to connect to smtp using:.

Were your PHP. I got your point. Same issue happen with me , I have just add one line and its working for me. Also properly check mail configure at your serve end. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 5 years, 1 month ago. Active 9 months ago. Viewed 10k times.

We will soon contact you. Please try again"; This works fine in localhost. Connected to mail. I'm really confused what's happening. Improve this question. Aakash Aakash 1, 1 1 gold badge 12 12 silver badges 21 21 bronze badges. It sounds like your production environment blocks outgoing connections to the mail server, or that the mail server blocks incoming connections. Modifying the application configuration files through SSH. This method is more error-prone.

How to detect SMTP issues are very easy to detect. For example, Google Mail requires you to enable insecure 3rd Party Apps integration.

For more information about how to troubleshoot Gmail SMTP issues for your specific application, refer to the troubleshooting steps in our application documentation.

Application: Sometimes the issue is in the application itself not in Bitnami configuration , for example, incompatible encryption protocol, application bugs, etc. Infrastructure: Some clouds may block mail traffic for security reasons. Other examples of infrastructure issues include misconfigured firewalls so the instance cannot access the SMTP Server or wrong server datetime. Troubleshooting checklist The following checklist covers the majority of the cases described above and will help you to find and debug most SMTP issues.

Is your mail provider configured correctly to allow SMTP applications? Can your instance connect to the SMTP server? We suggest to do that with MailStyler , an excellent and easy-to-use software. Dashboard Register. The SMTP settings are mistaken.