the best 3 season tents generally come with a waterproof rain fly and a breathable canopy ideally you want to find a three season tent with a waterproof floor the rugged bathtub floor is generally reserved for the more expensive four season tent but not always
The default port number of an outgoing SMTP server is  25: but a switch to another one can be needed: for instance, if you are facing issues with the SMTP connection (the client is not sending emails even if the server name is right) you can try to change the port as a troubleshooting measure.
These settings are for uploading messages (sending email) to your email provider's mail server. Outgoing mail server (SMTP) The host name of the outgoing SMTP (Simple Mail Transfer Protocol) server, such as smtp.example.com. Port . The port number used by the outgoing mail server. Common port numbers for outgoing mail are 25, 465, and 587. Use SSL? Does the outgoing mail server support SSL or TLS encryption? Authentication : Choose Password, MD5, NTLM, Kerberos, or None, as directed by your email provider.