Are you on a residential connection and trying to use that to send mail? Most Residential ISPs block outgoing SMTP server traffic or most other receiving servers blacklist connections from residential IPs. – Thomas Ward ♦ Jan 28 at 0:02
Reasons for SMTP server timed out in Thunderbird. If you are a non-technical user, then it is quite difficult to solve this problem without any guidance. In such case, I am here to help you out, before that let’s see the points that can cause “Thunderbird Sending Of Message Failed SMTP Server Timed Out”. How to fix 'connection to server timed out' error Jul 18, 2015 Thunderbird sending of message failed SMTP timed out
Jul 18, 2015
Jul 25, 2017 Outlook cannot connect to SMTP server, POP3 account that Dec 21, 2017 SMTP -> Error: Failed to connect to server: Connection
Cant send emails via Gmail SMTP, Timeout error | cPanel Forums
Swift_TransportException in AbstractSmtpTransport.php line 404: Connection to tcp://smtp.mail.yahoo.com:465 Timed Out I hope someone can shed some light on this. Here are my settings in my .env file The Connection Has Timed Out How To Fix It Tutorial - YouTube Apr 04, 2019 Exim4 : "Connection timed out" whatever the - Server Fault I marked the question as solved, because now at least, it can talk to SMTP server, even though whatever the smtp I use (google or other), the logs show "authentication required" =====> 2018-10-29 13:53:21 1gH7yr-0001yj-PS ** destination@yahoo.com R=smarthost T=remote_smtp_smarthost H=smtpauth-dc2.online.net [62.210.16.40] X=TLS1.2:RSA_AES_128 Troubleshoot SMTP Connectivity or Timeout Issues With