smtplib — SMTP protocol client — Python 3.10.1 documentation
docs.python.org › 3 › library2 days ago · SMTP.connect (host = 'localhost', port = 0) ¶ Connect to a host on a given port. The defaults are to connect to the local host at the standard SMTP port (25). If the hostname ends with a colon (':') followed by a number, that suffix will be stripped off and the number interpreted as the port number to use. This method is automatically invoked ...
SMTP Connect - MxToolbox
https://mxtoolbox.com/problem/smtp/smtp-connect?hidepitch=0More Information About Smtp Connect. We attempted a connection to your mail server on port 25 but your server did not respond. More than likely there is no email server at this address or you have a misconfigured firewall or spam filtering system. If the SMTP Connect test is unable to connect to your mail server after 15 seconds we will report ...