There are many details of which we need to take care when we set the DNN SMTP. Using the right settings combination in SMTP is very important.
Common SMTP setting
For most E-mail account, we need to provide SMTP Authentication information when we try to use SMTP server,so for most E-mail account, you should choose "Basic" under “SMTP Authentication:” and fill the "SMTP Username" and "SMTP Password"
Important! "Host Email" field under "Host Details" section in host settings menu must be modified to the Email address correspond to you SMTP. Such as your use smtp@163.com SMTP server, Host Email muse be yourusername@163.com.
