Here, we have discussed the causes that our Support Engineers often see in servers and how we fix them.Remove-PrinterDriver -Name "HP Universal Printing PCL 5" “SMTP ERROR: Failed to connect to server” mainly happens because of mail server connectivity issues, wrong port settings etc. Correct DNS resolution for mail server.Edit PHPMailer settings like Host, Port etc.Then, add particular website user to the list of users who can make outbound SMTP connections. Modify the SMTP restrictions on the server.Modify the firewall rules on the server to allow outbound connections on ports like 465.Then, to fix the mail error, we make changes on the server that includes the following : Our Support Engineers primarily checks the connection between mail servers and find whether it is an incoming or outgoing block.
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How to fix SMTP Error: Failed to connect to serverįor mails to work with PHPMailer, both sending and receiving server has to accept connections. Again, that causes mail to fail with SMTP error. When dns do not work on the server, a look up from the server shows wrong IP address or no IP address for the mail server. DNS failuresįor the PHPMailer to work properly, the mail server specified in its configuration should have proper dns records.
Then, web form tries to connect to an invalid name and fails. This SMTP error can also happen if the mail server name is incorrectly set (with additional white space) in PHPMailer configuration. Here, this “Connection Refused” error means that sending mail server refuses outbound connections on port 465 and is not able to connect to remote mail server.
10:33:12 SMTP ERROR: Failed to connect to server: Connection refused (111) "Error notice: stream_socket_client(): unable to connect to ssl://:465 (Connection refused) On a server with mail port restrictions, when a website owner tries to send mail using an external smtp server on port 465, it ends up in error: 10:33:12 Connection: Failed to connect to server. Mail servers accept or reject connections based on certain firewall policies.Īll mail servers allow the connection from default mail port 25. Oops! Something went wrong and we couldn't send your message.Mailer Error: SMTP connect() failed. The connection wait for some time and eventually die with the following error: 04:12:37 SMTP ERROR: Failed to connect to server: Connection timed out (110) With this restriction, connection from PHPMailer to an external mail server do not work. allow SMTP connections.įor example, CPanel servers block access to external SMTP servers using the “ SMTP Restrictions” option. Usually, only mail server, root user etc. Servers restrict the programs that can directly connect to remote servers and send mail. Here, let us discuss the top reasons for “SMTP ERROR: Failed to connect to server”. Or SMTP ERROR: Failed to connect to server: Connection timed out (110) What causes SMTP ERROR: Failed to connect to server ? “Smtp error: Failed to connect to server”Īnd, depending on the response from the mail server, we’ve seen 2 variations of this error : SMTP ERROR: Failed to connect to server: Connection refused (111) It can fail due to firewall restrictions on the server, wrong mail server name, port etc. PHPMailer is a mail application that works like a mail client and helps to send mail via SMTP server.īut, PHPMailer do not work out of the box.
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In such servers, mails from website can be sent only via its own mail server (SMTP server) port, just as how Outlook or Windows Mail works. To defend this, many Web Hosting providers block direct connection from websites to external mail servers. Spammers often use php scripts that directly connect to remote servers and send spam mails. What is “Smtp error: Failed to connect to server” ? In this article, we’ll see the top reasons for “Smtp error: Failed to connect” and how we fix them. And, mail issue related with PHPMailer is an error that we see often. The steps to setup PHPMailer may not be intuitive to many website owners and mistakes in configuration often cause “ Smtp error: Failed to connect to server” error.Īs part of our Support Services, we help website owners solve their technical issues. include a mail program called “PHPMailer” for sending mails. So popular applications like WordPress, Drupal etc. These days, an option to send mails is a basic requirement of any web application.
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