codemasterhub

<p>DeliveryKit SMTP helps you send WordPress emails using SMTP or supported mail APIs.</p>
<p>Free version features:<br />
* SMTP and API based email delivery<br />
* Default PHP Mail plus one configured SMTP/API connection<br />
* Email testing<br />
* Email logging<br />
* Settings import and export<br />
* Retention cleanup<br />
* Summary email reports</p>
<p>For more features, see <a href="https://codemasterhub.com/items/deliverykitsmtp-pro/" rel="nofollow ugc">DeliveryKit SMTP Pro</a>.</p>
<h3>External services</h3>
<p>DeliveryKit SMTP only connects to the mail provider that you configure. No provider API requests are made until you configure and use a provider connection, complete an OAuth authorization flow, verify a provider account, send a test email, or send a WordPress email through that provider.</p>
<h4>Google (Gmail) API</h4>
<p>Used to authorize Gmail sending and deliver mail through the Gmail API. When this mailer is configured or used, the plugin sends OAuth requests, access and refresh tokens, sender profile lookups, and the sender, recipient, subject, message body, and attachment data required to deliver the email.</p>
<p>Terms: <a href="https://policies.google.com/terms" rel="nofollow ugc">https://policies.google.com/terms</a><br />
Privacy: <a href="https://policies.google.com/privacy" rel="nofollow ugc">https://policies.google.com/privacy</a></p>
<h4>Microsoft 365 / Outlook</h4>
<p>Used to authorize Microsoft 365 or Outlook sending and deliver mail through Microsoft Graph. When this mailer is configured or used, the plugin sends OAuth requests, access and refresh tokens, account profile lookups, and the sender, recipient, subject, message body, and attachment data required to deliver the email.</p>
<p>Terms: <a href="https://www.microsoft.com/servicesagreement" rel="nofollow ugc">https://www.microsoft.com/servicesagreement</a><br />
Privacy: <a href="https://privacy.microsoft.com/privacystatement" rel="nofollow ugc">https://privacy.microsoft.com/privacystatement</a></p>
<h4>Zoho Mail</h4>
<p>Used to authorize Zoho Mail sending and deliver mail through Zoho APIs. When this mailer is configured or used, the plugin sends OAuth requests, access and refresh tokens, account lookups, and the sender, recipient, subject, message body, and attachment data required to deliver the email.</p>
<p>Terms: <a href="https://www.zoho.com/terms.html" rel="nofollow ugc">https://www.zoho.com/terms.html</a><br />
Privacy: <a href="https://www.zoho.com/privacy.html" rel="nofollow ugc">https://www.zoho.com/privacy.html</a></p>
<h4>Transactional email provider APIs</h4>
<p>If you configure one of the API mailers below, the plugin sends the sender, recipient, subject, message body, headers, attachment data, and the authentication credential required by that provider, such as an API key, access token, SMTP username, or SMTP password, whenever WordPress sends an email or you run a test email.</p>
<ul>
<li>Brevo – Terms: <a href="https://www.brevo.com/legal/termsofuse/" rel="nofollow ugc">https://www.brevo.com/legal/termsofuse/</a> | Privacy: <a href="https://www.brevo.com/legal/privacypolicy/" rel="nofollow ugc">https://www.brevo.com/legal/privacypolicy/</a></li>
<li>SendLayer – Terms: <a href="https://sendlayer.com/terms-of-service/" rel="nofollow ugc">https://sendlayer.com/terms-of-service/</a> | Privacy: <a href="https://sendlayer.com/privacy-policy/" rel="nofollow ugc">https://sendlayer.com/privacy-policy/</a></li>
<li>SMTP.com – Terms: <a href="https://www.smtp.com/policies/terms-and-conditions/" rel="nofollow ugc">https://www.smtp.com/policies/terms-and-conditions/</a> | Privacy: <a href="https://www.smtp.com/policies/privacy-policy/" rel="nofollow ugc">https://www.smtp.com/policies/privacy-policy/</a></li>
<li>Amazon SES – Terms: <a href="https://aws.amazon.com/service-terms/" rel="nofollow ugc">https://aws.amazon.com/service-terms/</a> | Privacy: <a href="https://aws.amazon.com/privacy/" rel="nofollow ugc">https://aws.amazon.com/privacy/</a></li>
<li>SendGrid – Terms: <a href="https://www.twilio.com/legal/tos" rel="nofollow ugc">https://www.twilio.com/legal/tos</a> | Privacy: <a href="https://www.twilio.com/legal/privacy" rel="nofollow ugc">https://www.twilio.com/legal/privacy</a></li>
<li>Elastic Email – Terms: <a href="https://elasticemail.com/resources/usage-policies/terms-of-use" rel="nofollow ugc">https://elasticemail.com/resources/usage-policies/terms-of-use</a> | Privacy: <a href="https://elasticemail.com/resources/usage-policies/privacy-policy" rel="nofollow ugc">https://elasticemail.com/resources/usage-policies/privacy-policy</a></li>
<li>Mailgun – Terms: <a href="https://www.mailgun.com/terms/" rel="nofollow ugc">https://www.mailgun.com/terms/</a> | Privacy: <a href="https://www.mailgun.com/privacy-policy/" rel="nofollow ugc">https://www.mailgun.com/privacy-policy/</a></li>
<li>Mailjet – Terms: <a href="https://www.mailjet.com/legal/terms/" rel="nofollow ugc">https://www.mailjet.com/legal/terms/</a> | Privacy: <a href="https://www.mailjet.com/legal/privacy-policy/" rel="nofollow ugc">https://www.mailjet.com/legal/privacy-policy/</a></li>
<li>MailerSend – Terms: <a href="https://www.mailersend.com/legal/terms-of-use" rel="nofollow ugc">https://www.mailersend.com/legal/terms-of-use</a> | Privacy: <a href="https://www.mailersend.com/legal/privacy-policy" rel="nofollow ugc">https://www.mailersend.com/legal/privacy-policy</a></li>
<li>Mandrill / Mailchimp Transactional – Terms: <a href="https://mailchimp.com/legal/terms/" rel="nofollow ugc">https://mailchimp.com/legal/terms/</a> | Privacy: <a href="https://mailchimp.com/legal/privacy/" rel="nofollow ugc">https://mailchimp.com/legal/privacy/</a></li>
<li>Postmark – Terms: <a href="https://postmarkapp.com/terms-of-service" rel="nofollow ugc">https://postmarkapp.com/terms-of-service</a> | Privacy: <a href="https://postmarkapp.com/privacy-policy" rel="nofollow ugc">https://postmarkapp.com/privacy-policy</a></li>
<li>Resend – Terms: <a href="https://resend.com/legal/terms-of-service" rel="nofollow ugc">https://resend.com/legal/terms-of-service</a> | Privacy: <a href="https://resend.com/legal/privacy-policy" rel="nofollow ugc">https://resend.com/legal/privacy-policy</a></li>
<li>SMTP2GO – Terms: <a href="https://www.smtp2go.com/terms/" rel="nofollow ugc">https://www.smtp2go.com/terms/</a> | Privacy: <a href="https://www.smtp2go.com/privacy/" rel="nofollow ugc">https://www.smtp2go.com/privacy/</a></li>
<li>SparkPost – Terms: <a href="https://bird.com/terms" rel="nofollow ugc">https://bird.com/terms</a> | Privacy: <a href="https://bird.com/privacy" rel="nofollow ugc">https://bird.com/privacy</a></li>
<li>Netcore / Pepipost – Terms: <a href="https://netcorecloud.com/terms-of-service/" rel="nofollow ugc">https://netcorecloud.com/terms-of-service/</a> | Email API Terms: <a href="https://netcorecloud.com/email-api-terms-and-policies/" rel="nofollow ugc">https://netcorecloud.com/email-api-terms-and-policies/</a> | Privacy: <a href="https://netcorecloud.com/privacy-policy/" rel="nofollow ugc">https://netcorecloud.com/privacy-policy/</a></li>
<li>Other SMTP – This mailer connects directly to the SMTP server that you enter in the plugin settings. Terms and privacy depend on your chosen mail server provider.</li>
</ul>


DeliveryKit SMTP

SMTP and API email delivery for WordPress with testing, logging, and summary reports.

<p>This plugin enhances the security and stability of your WordPress installation by delaying and controlling wp_mail() email submissions through a managed queue.</p>
<p>If your site exhibits unusual behavior, such as a spam bot repeatedly submitting forms, you will be alerted immediately and can optionally pause delivery automatically while you investigate.</p>
<ul>
<li>Intercepts wp_mail() and places outgoing messages in a queue</li>
<li>Configure how many emails are sent and at what interval</li>
<li>Pause the queue without disabling the plugin completely</li>
<li>Log queued emails, sent emails, alerts, and queue events</li>
<li>Receive alerts when the queue grows unexpectedly</li>
<li>Optionally auto-pause the queue when an alert is triggered</li>
<li>Send selected queued emails immediately from the backend</li>
<li>Automatically prioritize WordPress password reset emails</li>
<li>Receive alerts when WordPress is unable to send emails</li>
</ul>


Mail Queue

Gain full control over your WordPress emails. Queue outgoing emails and get alerts when your site tries to send unusually high volumes.

DeliveryKit SMTP vs Mail Queue