What is SMTP connection failed?
howmanyyards.herokuapp.com › what-is-smtpBeside this, how do I fix SMTP failed to connect to server? How to fix SMTP Error: Failed to connect to server. Modify the firewall rules on the server to allow outbound connections on ports like 465. Modify the SMTP restrictions on the server. Edit PHPMailer settings like Host, Port etc. Correct DNS resolution for mail server.
"Smtp error: Failed to connect to server" - Causes and Fixes
bobcares.com › blog › smtp-error-failed-to-connectMar 01, 2019 · What causes SMTP ERROR: Failed to connect to server ? Here, let us discuss the top reasons for “SMTP ERROR: Failed to connect to server”. 1. SMTP restrictions on the server. Servers restrict the programs that can directly connect to remote servers and send mail. Usually, only mail server, root user etc. allow SMTP connections. For example, CPanel servers block access to external SMTP servers using the “SMTP Restrictions” option.
php - SMTP Connect() failed. Message was not sent.Mailer ...
stackoverflow.com › questions › 18496650Aug 29, 2013 · You must to have installed php_openssl.dll, if you use wampserver it's pretty easy, search and apply the extension for PHP. In the example change this: //Set the hostname of the mail server $mail->Host = 'smtp.gmail.com'; //Set the SMTP port number - 587 for authenticated TLS, a.k.a. RFC4409 SMTP submission 465 ssl $mail->Port = 465; //Set the encryption system to use - ssl (deprecated) or tls $mail->SMTPSecure = 'ssl';