Opt Contact is a mailing list software. You can use it to send the same message to different persons at the same time. For example if it is Christmans, or Eastern, and you want to send the same greetings to all your friends, you can do it by entering their mail addresses in the users field. Then write the message which can be regular or immediate and can be written in text or HTML mode. Then set your send address and name and choose the submission type which can be direct or using SMTP server. If you chooser SMTP server you have to write the server's name the login and the password.
Pluses: You can manage offline your messages; easy to use
Drawbacks / flaws:
In conclusion: Very useful for teachers that want to send online lessons, for advertising per e-mail, or for sending greetings.
