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Understanding Sending Limits & Daily Sending Intervals
Understanding Sending Limits & Daily Sending Intervals
Jun Kwak avatar
Written by Jun Kwak
Updated over a week ago

At Oversee, we implement sending limits and intervals to ensure the smooth operation of your email campaigns while protecting your sender reputation. This article explains why daily sending limits cannot exceed 100 emails per account and how these limits affect your email campaign scheduling.

Why is there a Sending Limit of 100 Emails Per Day?

Avoiding Spam Filters

Major email providers like Google and Outlook have strict policies against spam. Sending large volumes of emails can trigger these filters, causing your emails to be blocked or marked as spam.

Protecting Your Sender Reputation

Your sender reputation is crucial for ensuring your emails consistently reach recipients' inboxes. High volumes of emails from a single account can negatively impact this reputation, leading to reduced deliverability.

Ensuring Email Deliverability

By limiting the number of emails sent per day, we help ensure that your emails are more likely to be accepted by email servers and less likely to be rejected due to high traffic from a single sender.

Understanding Daily Sending Intervals

Scheduling Emails

Daily sending limits dictate the maximum number of emails that can be sent from an account within a 24-hour period. This does not affect the specific time when emails are dispatched, only the total count per day.

Impact on Campaigns

If a campaign is set to send more emails than the daily limit, the system will automatically queue the excess emails and distribute them over the following days until all are sent.

What If You Need to Send More Than 100 Emails?

Multiple Accounts

You can distribute your email load across several sending accounts. This approach helps adhere to the per-account limit while still achieving your overall campaign goals.

Plan Campaigns Accordingly

Adjust the pacing of your campaigns to spread out the sending of emails, ensuring that your communications are staggered over several days if necessary.

Request a Temporary Increase (not recommended)

For special events or campaigns where you expect to exceed this limit, you can request a temporary increase. Contact our support team with details about your needs, including the number of emails and the specific timeframe.


Understanding and adhering to these sending limits is crucial for the success of your email campaigns. It helps maintain your sender reputation and ensures that your emails reach your audience effectively. If you have any concerns or need adjustments to your sending limits, please contact our support team for assistance. We are here to help you optimize your email strategies while complying with best practices.

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