Gravity Forms SMTP
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About Gravity Forms SMTP
When the form works and the email never arrives
Someone fills in your form, sees the "sent" message, and you receive nothing. Or worse: your reply ends up in the customer's spam folder. By default WordPress sends mail with the PHP mail function. Gravity Forms SMTP replaces that sending method with dedicated email providers.
The uncomfortable thing about a failed email is that it makes no noise. No error appears: just a customer waiting for an answer who concludes you are ignoring them. Anyone who relies on forms to capture leads or orders loses those sales without knowing they ever existed.
Gravity Forms SMTP: connect a provider and switch it whenever you need
You enter your provider's details and the plugin sends WordPress emails through it. It supports SendGrid and Postmark directly, and other SMTP or API-based services through the custom SMTP option.
Once connected, you can turn each service on or off and keep the one that best fits your sending volume.
A test email before you trust the configuration
After connecting the provider, you can send a test email to the address of your choice. It is the quickest way to find out whether the settings are right before a real customer finds out for you. It is worth repeating each time you change service.
The sending log: what went out, when and to whom
The email log stores each message with its status, the date and time, and the sender and recipient addresses. When a customer says they never received their confirmation, you no longer argue from memory: you check whether it went out, when, and to which address.
Only SendGrid and Postmark out of the box, and still in alpha
This plugin is at an early (alpha) stage and the maker does not recommend it for production sites: install it in a testing environment. Here is what it already covers and what is up to you:
- Already solved: sending through SendGrid or Postmark
- Already solved: connection with other SMTP or API services through custom SMTP
- Already solved: test email to validate the configuration
- Already solved: log with status, date, time, sender and recipient
- You cover it: the account with the email provider, which is separate from the plugin
- You cover it: any other provider, which for now goes through custom SMTP
- You cover it: testing on a separate site before moving to a website with real traffic
Frequently asked questions about Gravity Forms SMTP
Can I already use it on my live site?
It is not advisable. Since it is in alpha, the sensible approach is to test it in a testing environment and keep your current sending system on the live site.
Which providers does it support?
SendGrid and Postmark directly, and any other SMTP or API-based service through the custom SMTP option.
Is it only for Gravity Forms emails?
It is designed for WordPress emails in general, not only those from forms.
Does it replace an email marketing tool?
No. It lets the emails your site sends go out through a reliable provider and lets you track them. For campaigns or subscriber lists you need another tool.
Topics
Version history
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2.3.4 Current 24 Sep 2026
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2.3.3 28 Aug 2026
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2.1.6 18 Apr 2026
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Frequently asked questions
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GPL (General Public License) is the license under which WordPress and most premium plugins/themes are distributed. It grants you the right to use, modify and redistribute the software in as many projects as you want, with no domain restrictions.
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Yes. With membership you get automatic updates via our GPLClub Updater plugin (installed on your WP, detects new versions and applies them). With individual purchase, you get one year of manual updates from your account.
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Depends on the plan. Monthly: 3 domains. Semi-annual: 7. Annual and Lifetime: 15. Individual purchase: 1 domain.
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GPLClub offers its own support for installation, configuration and compatibility. For direct support from the original author (feature requests, product-specific bugs), a license purchased from the author is required.
