Email delivery for WordPress sites
Reliable email delivery for every client site
Site Mailer makes sure every WordPress email, from order confirmations to password resets, is reliably sent and successfully delivered. Skip complex SMTP setups and manage delivery, tracking, and analytics for all client sites.
Try free
Enhanced reputation
Keep sender integrity strong with authentication standards, suppression tools, and recipient tracking.
Actionable insights
Track analytics on every email sent, opened, or failed, and spot issues before your clients do.
High deliverability rates
Achieve up to 95% inbox placement to keep sites performing smoothly and conversions on track.
Every message delivered and customer retained
Deliver every WordPress email with confidence. Site Mailer ensures reliable inbox deliverability, complete visibility, and total control across every site you build.
Trusted by agencies and web creators
Smart tools that keep communication seamless
Deliver reliability with every WordPress site you manage. Site Mailer makes sure confirmations, receipts, and alerts reach the inbox, no SMTP or manual setup required.
Try freeResend failed emails
Eliminate missed communications and lost sales. Instantly detect and resend failed emails from the dashboard, or send test messages to verify custom domains are authenticated.
Apply suppression tools
Protect your clients’ sender reputation with smart suppression management. Handle unsubscribe headers, track invalid or opted-out addresses, and add entries manually when needed, helping every email reach the right audience.
Get email insights
Improve deliverability and client trust with clear, actionable data. View logs, open rates, and delivery metrics in one place, so you can spot trends, resolve issues early, and keep every site performing smoothly.
Built for WordPress sites
Site Mailer works directly inside any WordPress website, right from the dashboard. No SMTP setup, no extra plugins, just seamless, reliable email delivery where your clients already manage their site.
Every message delivered. Every result measurable.
Installed on over 200K websites built by web creators and agencies, Site Mailer powers more than 34 million delivered emails worldwide, turning reliable communication into measurable business growth and client trust.
34.7M
+
Delivered emails
Trusted by web creators worldwide to deliver millions of messages with flawless reliability.
95%
+
Average deliverability
Smart routing and real-time alerts maintain 95%+ inbox placement, so site emails get through.
200K
+
Active installs
Site Mailer is becoming the go-to email delivery solution for web creators and agencies.
Pick the right plan for you
Send transactional emails in just a few clicks
Step 1
Install and activate
Add Site Mailer to any WordPress website in minutes. Install, activate, and instantly strengthen email deliverability.
Step 2
Connect a domain
Set up and verify the site’s domain to ensure messages come from a trusted, professional source.
Step 3
Run a quick test
Send a test email straight from the dashboard to confirm everything works perfectly before handing the site over to clients.
More ways to grow
Access knowledge, community, and future innovations designed to inspire and elevate every WordPress site you create.
Strengthen email reputation
Discover how Site Mailer ensures reliable email delivery with built-in protection, unsubscribe headers, and trusted performance for every WordPress site.
Learn moreWhy deliverability matters
In this quick video, learn the essentials of transactional email deliverability and why missed messages create trust issues and extra support work.
Watch videoUnderstand email authentication
Explore authentication methods like SPF, DKIM, and DMARC, and how Site Mailer simplifies them to keep site emails out of the spam folder.
Learn more