How to schedule Gmail messages to be sent later1.

You can delay the delivery of  gmail message or you can select the specified Date and Time to deliver all messages that have in the Gmail Drafts.

Follow few easy steps to schedule you first email messages with the abonzer's Mail Scheduler Add-on. 

1. Install MailScheduler here.

2. Once the add-on is installed, Open your Gmail. 

3. Compose a message you want to send later. 

4. Just Wait..., Don't Click on Send Button. Your Composed email will be saved automatically as a Draft.

5. This is the last and most important step. Just add "@schedule mm/dd/yyyy, hh:mm PM" at the end of original subject.

So, if you want to send a birthday message to your friend on 5 January, 2018 at 10:45 AM

<Your Actual Subject> @schedule 01/05/2018, 10:45 AM

6. Go to Google Spreadsheets and open Mail Schedule Spreadsheet.

7. Go to Add-ons > Mail Scheduler > Run