by
Arpan Sahdev
1 (0 reviews)
Kavin SMTP
Fix WordPress email. Send wp_mail through your SMTP server, and let the Connection Doctor find out why email isn't sending.
Kavin SMTP ranks #63,496 among WordPress.org plugins with 1+ active installations, is #2,110 of 3,634 in the Communication category, a 1/5 rating from 0 reviews, and was last updated Sep 17, 2026. Data from WordPress.org, refreshed twice daily — see methodology.
Compatible with WP 7.1
v1.1.0
Current Version v1.1.0
Updated 1 month ago
Last Update on 17 Sep, 2026
Refreshed 1 week ago
Last Refreshed on
#2,110 of 3,634 in Communication
Rank
#63,496
—
No change
Active Installs
1+
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No change
KW Avg Position
147
1 better
Downloads
157
+4 today
Support Resolved
0%
—
No change
Rating
20%
Review 1 out of 5
1
(0 reviews)
Next Milestone 10
0+
10+
50,559
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
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5
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- Version
- 1.1.0
- Last Updated
- Sep 17, 2026
- Requires WP
- 5.6+
- Tested Up To
- 7.1
- PHP Version
- 7.2 or higher
- Author
- Arpan Sahdev
Support & Rating
- Rating
- ★ ☆ ☆ ☆ ☆ 1
- Reviews
- 0
- Support Threads
- 0
- Resolved
- 0%
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Frequently Asked Questions
Common questions about Kavin SMTP
Click Run Connection Doctor on the settings screen. It checks, in order, your settings, the mail server's name, whether your host blocks mail ports, whether the server that answers is really your provider's, and whether your login is accepted. Each result says what is wrong and what to do.
Some hosting companies intercept outgoing SMTP and pass it through their own mail server. Your settings look correct, but WordPress refuses the connection because the certificate belongs to the host, not to your email provider. The Connection Doctor detects this and shows which certificate answered, so you can ask your host to allow outgoing SMTP.
No. It never sends an email, and nothing is sent to Kavin Studios. It only runs when you click the button. See External services below for exactly what it connects to.
Choose the Google / Gmail mailer, enter your Gmail address, and paste a Google App Password. To create one, enable 2-Step Verification on your Google account, then generate an App Password at myaccount.google.com. Prefer OAuth ("Connect with Google") with no app password? That is available in Kavin SMTP Pro.
Click Find my settings — it recognises Gmail, Google Workspace, Microsoft 365, Outlook.com, Yahoo, iCloud and Zoho. Otherwise your email provider publishes them. Common examples: Gmail uses smtp.gmail.com, port 587, TLS (create an App Password); Outlook/Microsoft 365 uses smtp.office365.com, port 587, TLS.
Yes. Add define( 'KVN_SMTP_PASSWORD', 'your-password' ); to wp-config.php. The field is then hidden in the admin and the constant is used instead.
The notice shows the actual SMTP error and a link to the Connection Doctor, which works out the cause for you. The most common causes are a port your host blocks, a wrong port/encryption combination (use 587+TLS or 465+SSL), incorrect credentials, or a provider that requires an app-specific password.
Yes. Kavin SMTP hooks into the standard wp_mail() pipeline, so any plugin that sends mail through WordPress is routed via your SMTP server.
