WP Offload SES Lite

Latest version of WordPress or the one previous
PHP 7.4+ compiled with the cURL extension
MySQL 5.5+
Apache 2+ or Nginx 1.4+
Amazon Web Services account

What about SMTP plugins?
Unfortunately, sending emails through your existing email provider over SMTP is prone to hitting rate limits, as standard email services like Gmail, Outlook.com, Yahoo, etc aren’t designed for the large number of emails that are sent when sending out invoices, password reset emails, support requests, etc. SMTP is also missing some key features like an email queue which means emails that don’t send successfully on the first try just get dropped.
Will it work with Postmark, Mailgun, Sendgrid, and other email sending services?
At the moment WP Offload SES only supports Amazon SES. We're considering supporting additional services like Mailgun, Sendgrid, Postmark, etc in the future. If this is something you'd like to see, let us know.
Does this plugin auto-retry email delivery failures?
While you can see a list of all emails sent from your site with this plugin, WP Offload SES Lite does not auto-retry failures (nor does Amazon SES). If you’d like a plugin that will auto-retry for you, upgrade to WP Offload SES.
Can you help me about... (an Amazon concern)
We are not otherwise linked to Amazon or Amazon Web Services.
Please direct your specific Amazon questions to Amazon support.
How does this work on WordPress Multisite?
You can configure the entire network to use the same settings by configuring the plugin via the Network Admin settings screen. If a subsite should have different settings, you can override some or all of the network settings by going to the WP Offload SES Lite settings page for that subsite.

You can also use the WPOSES_SETTINGS constant to define settings that will be applied to all subsites and can’t be overridden via the UI:

define( 'WPOSES_SETTINGS', serialize( array(
// Send site emails via Amazon SES.
'send-via-ses' => true,
// Queue email, but do not send it.
'enqueue-only' => false,
// Enable open tracking.
'enable-open-tracking' => true,
// Enable click tracking.
'enable-click-tracking' => true,
// Amazon SES region (e.g. 'us-east-1' - leave blank for default region).
'region' => 'us-east-1',
// Changes the default email address used by WordPress
'default-email' => 'your-email@example.com',
// Changes the default email name used by WordPress.
'default-email-name' => 'Your Name Here',
// Sets the "Reply-To" header for all outgoing emails.
'reply-to' => 'your-email@example.com',
// Sets the "Return-Path" header used by Amazon SES.
'return-path' => 'your-email@example.com',
// Amount of days to keep email logs (e.g. 30, 60, 90, 180, 365, 730)
'log-duration' => '30',
// Enable instantly deleting a successfully sent email from the log.
'delete-successful' => false,
// Enable instantly deleting successfully re-sent failed emails from the log (Pro only).
'delete-re-sent-failed' => false,
) ) );

See our documentation on this for more information.
Do you have a hook that is fired when an email is sent?
Yes, the wposes_mail_sent hook could be used to log emails, or post email info to an API or database:

function myMailSentHook( $to, $subject, $message, $headers, $attachments ) {
// Your code here.
}
add_action( 'wposes_mail_sent', 'myMailSentHook', 10, 5 );

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Will WP Offload SES Lite work with other plugins that send email?
Yes, WP Offload SES should be compatible with any plugin that uses the standard wp_mail() function for sending email. If you’ve found a plugin that isn’t using that function for sending mail, you may want to reach out to the plugin developer and see if that can be changed.
Why aren't my AWS access keys working?
Please double check the credentials match up with the credentials you received when creating your IAM user, and that your IAM user has the AmazonSESFullAccess permission.