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Understanding Gmail’s Email Sending Limits [Updated 2019]

If you’re an email marketer using Gmail or G Suite (formerly known as Google Apps) as your email sending platform, you probably want to understand just how many emails you can send through your Gmail account.

First, distinguish between a regular Gmail account and a G Suite account. A regular Gmail account is an account with an address containing the domain gmail.com or googlemail.com. G Suite, the business product of Google, means your email addresses contain your organization’s domain, like john@acme.com or ajay@wordzen.com. In this case, acme.com or wordzen.com is a domain whose email is controlled by Gmail. You can log in to your business’s email account by way of Gmail.

What are the basic Gmail sending limits?

Regular Gmail accounts have a limit of 500 individual emails/day.

G Suite accounts have a limit of 2,000 emails/day.

The limits I’ve described above apply only if you’re sending individual emails to one recipient only, the kind that would be sent if you’re using GMass. They apply on a rolling 24 hour basis. That means that if you have a regular Gmail account and you send 500 emails at 2:00 p.m. on Wednesday, and it takes 10 minutes for the emails to send, you won’t be able to send any more emails until 2:10 p.m. on Thursday. Another example: if you send 100 emails from 2 p.m. to 3 p.m. on Wednesday, and 400 emails between 3 p.m. and 4 p.m. on Wednesday, then you won’t be able to send any emails until 2 p.m. on Thursday, at which time you’ll be able to send a max of 100 emails. After 4 p.m., you’ll be able to send more.

There are other limits in effect if you’re sending say, one email with 10 email addresses in the To field, and limits if you have your account set to auto-forward, and other limits explained in the URLs referenced above.

GMass lets you “break” your Gmail sending limits.

GMass includes a feature that lets you send your email marketing campaigns from your Gmail account, but have your emails sent via a third-party SMTP server like Sendgrid. This feature allows you to send an unlimited number of emails from your Gmail account.

What happens if you exceed your Gmail account limits?

If you’re logged into Gmail, and your account is at its limit, this is what happens when you hit the Send button:

The message refused to send and remains as an unsent Draft in your account.

If you’re using any kind of external app to send emails through your Gmail account, the app will be able to successfully connect to your account and place the email in your Sent Mail folder, however the email won’t actually send. Instead, you’ll get a bounce notification indicating the email hasn’t been sent because your over your limit.

How can you tell how many emails you’ve sent over the last 24 hours?

Gmail doesn’t provide an easy way of determining how many emails you’ve sent over the last 24 hours, other than looking at your Sent Mail folder and manually counting, but GMass calculates this for you and displays it. Click the Show usage button in the GMass Settings box to see how many emails you’ve sent over the prior 24 hours. This will help you determine how many emails you can send at any given time.

How does GMass manage your account’s sending limits?

You can send a mail merge campaign through GMass to several thousand email recipients in one go. GMass employs several methods for sending large campaigns through your Gmail account:

  1. GMass will automatically distribute your email campaign over multiple days to avoid exceeding your account’s limits. For example, if you have a Google Apps account, where your limit is 2,000 sent emails/day, and you want to send a campaign to 10,000 people, GMass will evenly distribute your campaign at 2,000 emails/day for 5 consecutive days.
  2. GMass takes into account how many emails you’ve sent through your account over the past 24 hours when calculating how many emails in your campaign can be sent right now. Let’s say that you’ve sent 15 person-to-person emails through your Google Apps account in the last 24 hours, and now you’re sending a 2,500 person campaign. GMass will send 1,985 emails now, and 515 emails 24 hours later.
  3. GMass will pause sending of your email campaign when it detects that you’ve exceeded your account limits. It does this by analyzing the number of your sent emails over the prior 24 hours and scanning for bounce notifications in your account that indicate you’re over your limit. When this happens, GMass will pause your campaign and retry in one hour.

How can you re-send emails to addresses that bounced because you were over your limit?

If you received the dreaded bounce that is “from” nobody@gmail.com with the Subject “You have reached a limit for sending mail”, you may want to re-send your email to just the recipients that resulted in this bounce. GMass makes it easy using the manual follow-up tool to re-send emails to addresses that bounced because you reached your limit.

Those are the fundamentals of Gmail’s and Google Apps’ email sending limits and how GMass navigates those limits to allow you to send large mail merge campaigns. Remember that you can use the GMass unlimited sending feature to avoid these limits altogether.

  1. I'm getting this error message:

    Your mass email has NOT been processed by GMass. Error details: Your email exceeds the 12 MB GMass limit. It is 12769920 bytes. Large images or attachments can cause this.

    The image I included is only 6.65 MB. Why is this keeping me from sending?

  2. I didn't do anything except I think I got hacked. I had 30 returned emails with addresses I don't know, then the "Error: sending limit …." need help

      1. This has happened with me too. I get about a dozen or so emails from bounce with other names wishing Happy New Year and now I cannot send mail. Help!

  3. I received 240 emails from "nobody@gmail.com" saying :You have reached a limit for sending mail. Your message was not sent." However, when I follow the directions and look for the "Exceeded Gmail Limit" all of the campaigns show zero. Did they resend automatically?

    1. Hi Davis,

      Please contact our support team through http://gmass.co/g/support with a screenshot of any notification you’re encountering when subscribing.

    1. Hi Keith,

      If you’re referring to the notification that you’ve reached your sending limit, then that would be the Google-imposed limitation. Our subscriptions do not have usage limits and if your account hits that Google imposed sending limit, GMass will continue to retry sending your emails until your campaign is completed.

      There’s some more information about these limits and factors here: https://www.gmass.co/blog/how-many-emails-can-you-really-send-with-gmass-and-gmail/ ( https://www.gmass.co/blog/how-many-emails-can-you-really-send-with-gmass-and-gmail/ )

  4. Hello,
    I attempted to send a GMass email to 44 addresses and got notice that I exceeded my limit. Since I hadn’t sent a GMass email directly, the only explanation I can come up with is that emails sent to test Inbox or Spam are counted toward the 50 email free limit. Is that right? Doesn’t seem fair. Now I have to wait a day or buy a license.

      1. So, with a free account can I schedule 200 emails and Gmass spreads them out over 4 days? If I set up a follow up campaign of 50 emails over 3 weeks time, does that mean my campaign must end before I can send more Gmass emails? Thanks.

        1. Hi Jeff,

          Unfortunately, no, this is because at the time you schedule your campaign, it would have 200 email addresses in the TO field. You would need to break your list down to a maximum of 50 recipients per batch.

  5. I am trying to send round 1500 and I purchased a licence. I sent them to draft first to check and then clicked the link to send all.

    I am getting bounce back message saying I have reached my limit. I though a licence for a G Suite account could send 2000 … will these emails eventually be sent or do I have to start this whole process again?

    Also I am unable to send any normal emails at the moment so work has ground to a halt.


    1. Hi Karen,

      Although Google Apps accounts are officially limited to 2,000 emails per day whilst Gmail accounts (those ending with @gmail.com or @googlemail.com) are officially limited to 500 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: https://www.gmass.co/blog/how-many-emails-can-you-really-send-with-gmass-and-gmail/ ( https://www.gmass.co/blog/how-many-emails-can-you-really-send-with-gmass-and-gmail/ )

      We recommend that in situations like yours, users ‘warm up’ their account by sending smaller campaigns over time to establish a reputation for the account and the domain. We don’t want your behaviors to flag Google’s spam detectors and cause bigger problems for you down the line. The more you use your G Suite to send and receive, the more it garners reputation and sets usage behavior resulting in slowly increasing Google imposed sending limits. 

      With regards to your already set campaign, it will continue to send until all emails scheduled have been sent as Google will allow for your email account.

  6. also me, i did not reached the limit and recieved the same message, help!

    lun., 6 may. 19:05 (hace 2 días)
    para mí

    Se ha producido un error. El mensaje no se ha enviado.

    1. Hi Santiago,

      Please contact our support team at https://www.gmass.co/blog/how-to-get-support-from-the-gmass-team/

  7. I have not sent any mail before along the day and now i have tried to send only 4 mails and i received the same message. Along the last 24 hours i only have sent 2 mails and now more 4. Any reason please?

    1. Hi Jose,

      I’m not showing any emails sent through GMass from jmcv_____es@gmail.com. Please contact our support team at https://www.gmass.co/blog/how-to-get-support-from-the-gmass-team/ and provide us with the email address where you’re sending from so we can address you directly.


  9. I have sent 2,000 emails for new years followups and I am now getting the message that I have reached the mail limit and my emails have not been sent. How long does this last and when will I be able to start sending emails again?

    1. Hi Chelsea,

      Your account’s sending limit is imposed and enforced by Google. However, GMass will automatically send your campaigns to the maximum allowable based on what’s left of the said imposed limit. If you wish to overcome this limit, you can just add a third-party SMTP service to your GMass account and you won’t be limited by Google’s sending limit. Please see https://www.gmass.co/blog/smtp-server-send-unlimited-emails-with-gmail-and-gmass/

  10. Why is there no LIVE CHAT AGENT? It would be nice to actually get answers instead of searching endlessly through all the suggestions in this Blog and then emailing support. Even then directing me back to the Blogs does not help the matter…

    1. Hi Monika,

      We have a live agent on our Facebook page, however, we’re not showing any inquiries regarding your email address. Upon checking, we have responded to your ticket via email already. Kindly check your mailbox for a the response from one of our support agents.

  11. Hello, I want to use the SMTP server of Gmail. Do I need to set it in Gmass? Like the way on setting up the SendGrid in smtp@gmass.co. Because I tried to set the Gmail SMTP server using the smtp@gmass.co but the error is username and password is invalid. I use my email and password.

    1. Hi Arjay,

      No, since Gmail SMTP is not a third-party SMTP and would still limit you to sending to Google’s imposed limits.

  12. If you have 500 set of email list. Then you have to use 5 email account. 100 Emails each ID in 1 Hour. Or If you facing same error then just wait for 1 hour then start again. I used my domain http://gujaratsearch.in/ and use same way for daily cold emails.

  13. I need to send one email to approximately 200 individuals. Is there a method I can use to eliminate my sending multiple emails?

    1. Hi Maxine,

      If you use a Google Sheet as your mailing list connected to GMass, your list will automatically be deduped so that a campaign using that list will, by default, send only once for each unique recipient.

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