You have a task for sending e-mails periodically, such as notifications or reminders to the client? No need to record it in a special organizer such as Microsoft Outlook. But you can simply install the Boomerang in your web browser.
Boomerang is a special plugin for Firefox and Chrome to create and send e-mail at scheduled times through Gmail. Yes, you should use a Gmail account to use this plugin.
Using this plugin is very easy. You simply type in the email as usual, and click the Send Later is available. Next select the time in question to send an e-mail. Done.