Typically, the port used for outgoing mail servers or SMTP services is 25. However, it is possible that your Internet Service Provider forbids port 25 for the SMTP service. For this you can use another port 587 to send mail.
Typically, the port used for outgoing mail servers or SMTP services is 25. However, it is possible that your Internet Service Provider forbids port 25 for the SMTP service. For this you can use another port 587 to send mail.
