I try to send email using Matlab, it indicate an error such as below, how can i fix it?

??? Error using ==> sendmail Could not establish connection with smtp.gmail.com. on port 25.

Answer 1

[Walter Roberson]

You are either not connected to the Internet from that system, or else there is a firewall of some sort between you and gmail.com . The firewall might be right on your system itself, such as if you are using MS Windows and have activated the firewall in your Security Centre.