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Help articles General Questions

What are the limits on email that I send from my site?

Flywheel uses a third-party service called SendGrid to send emails that come from your website. The benefit of this is increased deliverability. In other words, emails sent through SendGrid have a much higher chance of being delivered and not ending up in someone’s spam folder.

Because of this, we impose monthly email limits to ensure that people aren’t sending out massive spam campaigns.


As part of our relentless campaign against spam, we block the sending of email that has been passed through the PHP eval() function. That function is already strongly discouraged in official PHP documentation due to its security risks, so it’s rarely used by legitimate themes, plugins and code.


We do not recommend using WordPress to send out newsletters and mass mailings. Instead, we recommend third-party services like Mailchimp or Campaign Monitor, which are available for free or low cost.

The limits on emails sent from your website vary based on your plan. You can chat with our sales team to discuss your limits or create a customized plan that works best for you!

That said, as part of our anti-spam security measures, a highly unusual spike in emails in a short period of time may trigger a temporary shutdown on email sending from the site.These are currently “soft” limits. We won’t stop sending emails if you hit this limit; however, your account may be rate-limited if you exceed the limit so that you can only send a certain number of emails per hour.

If you expect a spike in email, anticipate going over your limit, or are having trouble with site emails being sent, be sure to contact Flywheel Support as soon as possible. We’ll be happy to work with you to make sure things go smoothly.

If you do hit the limit consistently, we will reach out and recommend solutions for you – such as switching to Mailchimp or selecting a larger Flywheel plan.

As always, if you have any questions, don’t hesitate to contact Flywheel Support.

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