Smooth SMTP
SMTP configuration, email logging, failure alerts, and fallback sending for WordPress.
4.7(3 reviews)
·80 active installs·Updated 1 month agoAs of April 2026, Smooth SMTP is a WordPress mail plugin with 80 active installations and a 4.7/5 rating from 3 reviews. It has been downloaded 1.4K+ times in total. Requires WordPress 5.0+ and PHP 7.4+. Available on WordPress.org since 2025. Recently updated within the last 3 months. Support resolution rate: 0%. Top alternative: Flamingo.
4.7/53 reviews
80active installs
0%resolved
1 yearsince 2025
Overview
Smooth SMTP gives you full control over how WordPress sends email. Configure SMTP as your primary sending method, set up a fallback for when things go wrong, get notified through your preferred channels, and keep a detailed log of every email your site sends.
Primary Sending Method (SMTP)
Configure any SMTP provider as your primary sending method. If you leave SMTP disabled, WordPress will continue using its default PHP mail — either way, all other features still work.
- Works with any SMTP provider: Gmail, SendGrid, Amazon SES, Mailgun, and more
- Configurable host, port, encryption (SSL/TLS), username, password, from email, and from name
- Secure credential storage using WordPress’s built-in options API
Fallback Sending Method
If the primary sending method fails, Smooth SMTP can autom…
Screenshots
Ratings & Reviews
4.73 reviews
5 ★
2
4 ★
1
3 ★
0
2 ★
0
1 ★
0
Compatibility
| WordPress | 5.0+ requiredTested up to 6.9.4 |
| PHP | 7.4+ required |
Top Alternatives to Smooth SMTP
Frequently Asked Questions
Changelog
1.1.6
- New: Dashboard page — stat cards (total, sent, failed, success rate), breakdown by sending method, recent failures table, and day/week/month/all-time filter.
- New: Fallback sending method — automatically retries failed emails using WordPress Default (PHP mail) or a second SMTP server. Works regardless of whether primary SMTP is enabled.
- New: Failure alert channels — Slack, Discord, Telegram (Bot API), WhatsApp (CallMeBot), SMS, and custom webhooks. Supports multiple channels with per-channel enable/disable and a Send Test Alert button.
- New: Bulk resend — select multiple log entries and resend them in one action from the Email Logs screen.
- New: Test Email method selector — test the primary and fallback sending methods independently, always available regardless of SMTP configuration.
…and 4 more changes
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.