New Feature: Schedule Mass Emails

It’s only been two weeks since GMass’s launch, and we’ve already launched our first new feature — Scheduling. You can now schedule a mass email in Gmail to be sent at a future time.

Access the Scheduling settings by clicking the GMass “arrow” to open the GMass Settings box when you’re composing a mass email.

You can choose from a list of pre-configured future times, or you can enter a custom date/time as well. All times are in the local timezone of your computer. After you have selected a date/time, click the main GMass button as normal to schedule your email. At the scheduled time, your emails will be sent.

If, after scheduling an email, you want to alter the date/time or want to just send it now, find the email in your Drafts folder. All scheduled GMass campaigns will also have the label “GMass Scheduled” applied to the Draft. From there, click the GMass settings “arrow” again, and adjust the date/time or choose now, and afterwards, click the main GMass button again. You may also adjust the other settings, such as Open Tracking, or sending as new messages versus replies.

After the mass email has been sent, the original draft with the label “GMass Scheduled” will be deleted from your account.

44 Replies to “New Feature: Schedule Mass Emails”

  1. Ajay Shanmugam

    Hi. I am fascinated by this GMass extension for Gmail. Infact I have been using it for my email communications as well. I liked the integration with Google sheets which helps me when I save my consolidated contact sheets in Google. However, I noticed that the schedule functionality doesn't seem to work fine. I believe I have not entered the time in the right format. Can you please confirm what is the time format that should be entered for custom date and time?

  2. Ajay Goel

    I'm glad to hear that you like GMass!

    When scheduling, you can choose "Custom Date/Time", and then modify the default date/time that shows up. That way you don't need to worry about the format. Just modify it in the format that is given.

    Just for your information, the format should be:

    10/29/2015 10:30pm -05:00

    That means October 29 at 10:30 PM at 5 hours offset from GMT.


  3. Anonymous

    Im from India. Now if current time is 6.20pm and i want to send mail at 7pm then the format should be
    12/23/2015 6:20pm -5:30
    Am i right? If not please correct me.

  4. Ajay Goel

    I believe I answered this over email, but there is a bug that prevents positive time offsets from being used. For India it should be "+05:30", but that will cause an error. For now, the workaround is to use "-00:00" and then set the time in GMT time. So whatever time in India you want to use, subtract 5.5 hours from that time and use that and then put "-00:00" at the end of it.

  5. Anonymous

    Dear Sirs,
    I live inside -6 time zone but GMass Schedule Custom Date/Time feature says that it is -5 (06/06/2016 06:44pm -05:00). Why this happens? Is it right? Should I change it manually)?
    Thanks in advance.

  6. Dennis Daniels

    I’m interested in being able to schedule emails based on a certain date e.g.
    send birthday email on 23 june 2017
    anniversary email on 4july2017 etc.

    The emails and dates and event would be loaded in a spreadsheet.

    thank you for considering my idea,

  7. Manisha

    Hello Ajay,

    If I schedule the email with custom date and time so can it be repeated daily on the same scheduled time or will be deleted the draft after sending once. If i want to schedule time with daily repeat email on the same time is it possibe?

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  14. fortune

    The time is not matching to what I want it to send .
    If I am Eastern Standard time how should I write the time that I want it to send for example 11:00 AM? Also when I click send now it does it it GMT time and i want it sent our time how do i fix that?

    • Marvin Quinsaat

      Hi Fortune,

      If you schedule it, you must indicate what your timezone is based on GMT time. If I was sending an email scheduled for 11AM my time, I would schedule it as 08/01/2018 11:00am -05:00 since Eastern Time is -5 hours from GMT time.

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  16. Chad

    Hi I posted this in another thread, but this topic is more relevant here.

    I want to me able to schedule time to send each email by entering date into Sheets column. Eg. delay sending by longer than 90 seconds, say 1 email every 10 minutes.

  17. John

    How many emails can you schedule at a time? I have a very long sales cycle and it is important to maintain meaningful contact. 10 to 15 letters would be good.

  18. Paul

    Trying to “schedule” 45 emails per day for the next 4 days. I have followed all the instructions and get a pop up telling me I am over the limit on a 24-hour rolling limit. I purposely scheduled them 25 hours apart from one another and still can’t accomplish this without the pop-up telling me about the limit and asking me to subscribe. What am I missing?

    • Marvin Quinsaat

      Hi Paul,

      You would need to process that actual scheduling of each one on different days. The 50 emails per day include those you send and schedule on the same day. You can schedule 50 today but to go out on Saturday and another 50 tomorrow to go out again on Saturday so on Saturday 100 emails will be sent.

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    • Marvin Quinsaat

      Our subscriptions do not have usage limits. Although G Suite accounts are officially limited to 2000 emails per day, we have noticed over time that there are other factors that affect the send limits for an account. Age is a huge factor in this, as Google limit accounts to lower sending capacity until the account establishes its credibility. This is a measure to prevent scammers and spammers from opening accounts and sending at full capacity.

      There’s some more information about these limits and factors here:

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