Arb Mail Suite
Premium SMTP + an inbox inside wp-admin — a free alternative to WP Mail SMTP Pro.
What is Arb Mail Suite?
Arb Mail Suite is an all-in-one email engine for WordPress. It fixes deliverability with premium SMTP sending, then goes further than WP Mail SMTP by adding a real IMAP/POP3 inbox so you can receive and reply to email inside wp-admin, a beautiful template-based composer, full email logging with retries, and analytics.
Key features
- ✓Reliable SMTP sending (fixes "email not sending")
- ✓IMAP/POP3 inbox — receive email inside wp-admin
- ✓Template-based email composer
- ✓Full email logging with automatic retries
- ✓Open & delivery analytics
- ✓Send-as multiple mailboxes
Why choose Arb Mail Suite over WP Mail SMTP Pro & Post SMTP?
Premium WordPress plugins like WP Mail SMTP Pro & Post SMTP lock their best features behind expensive yearly subscriptions. Arb Mail Suite gives you those same professional capabilities for free, with no feature gating and no per-site renewal fees. It is a genuine free alternative — install it, activate it and start using every feature today.
| Capability | Arb Mail Suite | WP Mail SMTP Pro & Post SM... |
|---|---|---|
| Price | Free forever | Paid / subscription |
| Core features unlocked | All included | Premium-gated |
| Per-site renewal fee | None | Yearly |
| Licence | GPL (open) | Proprietary |
Requirements & compatibility
Arb Mail Suite is licensed under the WordPress GPL and built to the official WordPress.org plugin guidelines. Minimum WordPress version: 5.8. Minimum PHP version: 7.4 (see the official PHP supported-versions list). These are the versions declared in the plugin's own header and tested at release — always keep WordPress and PHP updated for security.
Frequently asked questions
Is it a free WP Mail SMTP alternative?
Yes, and it does more — besides reliable SMTP sending it adds a full inbox and composer inside wp-admin, which WP Mail SMTP does not.
Which mail providers work?
Any standard SMTP provider (Gmail/Workspace, Outlook, your host, SendGrid, Brevo, etc.). You just enter your SMTP details.
Can I read replies in WordPress?
Yes. The built-in IMAP/POP3 inbox lets you read and reply to email without leaving wp-admin.
More free resources from Arb Digital
Beyond plugins, explore our library of 100+ free online tools, in-depth digital marketing guides, and done-for-you digital marketing services. Need help installing or configuring this plugin on your site? Get in touch with our team for a free consultation.
