Title: Search Results for “SMTP Authentication” | Page 7 of 14 | WordPress.org --- Search 274 plugins * [All](https://wordpress.org/plugins/search/SMTP+Authentication/) * [Community](https://wordpress.org/plugins/search/SMTP+Authentication/?plugin_business_model=community) * [Commercial](https://wordpress.org/plugins/search/SMTP+Authentication/?plugin_business_model=commercial) # Search results for: “SMTP Authentication” * ![](https://ps.w.org/divewp-boost-site-performance/assets/icon-256x256.png?rev =3278673) * ### 󠀁[DiveWP – Boost Site Performance with Clear, Actionable Steps](https://wordpress.org/plugins/divewp-boost-site-performance/)󠁿 * (6 total ratings) * Learn how your site performs: clear, plain-English insights on performance, security, and best practices. * Oleg Petrov 200+ active installations Tested with 7.0.4 * ![](https://ps.w.org/dibrother-simple-smtp/assets/icon-128x128.jpg?rev=3378643) * ### 󠀁[Dibrother Simple SMTP](https://wordpress.org/plugins/dibrother-simple-smtp/)󠁿 * (0 total ratings) * A simple and lightweight plugin to configure WordPress to send emails via an SMTP server, improving email deliverability and reliability. * Di Brother Fewer than 10 active installations Tested with 6.8.8 * ![](https://ps.w.org/cherkasov-smtp-mailer/assets/icon.svg?rev=3342706) * ### 󠀁[Cherkasov SMTP Mailer](https://wordpress.org/plugins/cherkasov-smtp-mailer/)󠁿 * (0 total ratings) * A reliable SMTP plugin for WordPress that ensures email delivery with logging and Telegram notifications. * Denys Cherkasov Fewer than 10 active installations Tested with 6.8.8 * ![](https://ps.w.org/instant-popup-builder/assets/icon-128x128.gif?rev=3369629) * ### 󠀁[Instant Popup Builder – Popup Maker for Videos, Forms, Offers, Announcements, Galleries & More](https://wordpress.org/plugins/instant-popup-builder/)󠁿 * (5 total ratings) * Launch professional, WordPress-native popups for offers, announcements and email signups without a hosted SaaS account or visitor limits. * Instant Popup Builder 50+ active installations Tested with 7.0.4 * ![](https://ps.w.org/replyto/assets/icon.svg?rev=3175408) * ### 󠀁[Reply-To for WP_Mail](https://wordpress.org/plugins/replyto/)󠁿 * (0 total ratings) * Configure different "Reply-To" addresses by email context with validation, modern tabbed UI, and automatic migration. * Javier Casares 100+ active installations Tested with 7.1 * ![](https://ps.w.org/sendgrail/assets/icon.svg?rev=3526762) * ### 󠀁[SendGrail SMTP – Secure Email Delivery, Routing & Email Log for Gmail, Outlook, Office 365 & Custom SMTP](https://wordpress.org/plugins/sendgrail/)󠁿 * (0 total ratings) * SendGrail routes WordPress emails via SMTP providers with routing, real-time tracking, and automatic failover, so every email lands in the inbox. * Brighter Fox Fewer than 10 active installations Tested with 7.0.4 * ![](https://ps.w.org/doublescale/assets/icon-256x256.png?rev=3548450) * ### 󠀁[DoubleScale | Self-Hosted CRM & Business Platform (Alternative to HubSpot & GoHighLevel)](https://wordpress.org/plugins/doublescale/)󠁿 * (3 total ratings) * All-in-one CRM with sales pipeline, projects, email/SMS/WhatsApp campaigns, booking, helpdesk, tasks, SMTP, proposals, invoices and automations — one … * DoubleScale 10+ active installations Tested with 7.0.4 * ![](https://ps.w.org/wpshift-companion/assets/icon-128x128.png?rev=3441118) * ### 󠀁[WPShift Companion](https://wordpress.org/plugins/wpshift-companion/)󠁿 * (0 total ratings) * Server management for WordPress — provision servers, deploy sites, manage SSL, backups & SMTP. Includes performance optimization and database clea … * wpshift 10+ active installations Tested with 6.9.7 * ![](https://ps.w.org/guard-dog/assets/icon.svg?rev=3367882) * ### 󠀁[Guard Dog](https://wordpress.org/plugins/guard-dog/)󠁿 * (2 total ratings) * Plugin-first WordPress login and account security with custom login URLs, 2FA, passkeys, CAPTCHA protection, access control, sessions, and activity lo … * Adam Greenwell 10+ active installations Tested with 7.0.4 * ![](https://ps.w.org/rat-two-factor-authentication/assets/icon-256x256.jpg?rev =3366509) * ### 󠀁[Rat Two-Factor Authentication](https://wordpress.org/plugins/rat-two-factor-authentication/)󠁿 * (0 total ratings) * Lightweight and powerful Two-Factor Authentication plugin for WordPress with email-based OTP verification. * rathsh Fewer than 10 active installations Tested with 6.8.8 * ![](https://ps.w.org/appointment-booking-calendar/assets/icon-256x256.png?rev =978691) * ### 󠀁[Appointment Booking Calendar](https://wordpress.org/plugins/appointment-booking-calendar/)󠁿 * (92 total ratings) * Appointment Booking Calendar is an appointment calendar for accepting online bookings from a set of available time-slots in a calendar. * codepeople 1,000+ active installations Tested with 7.0.4 * ![](https://ps.w.org/woco-advanced-smtp/assets/icon-128x128.png?rev=3303166) * ### 󠀁[WoCo Advanced SMTP](https://wordpress.org/plugins/woco-advanced-smtp/)󠁿 * (0 total ratings) * Advanced SMTP configuration with comprehensive email logging, reply-to features, and guaranteed email delivery for WordPress sites. * Wcplugin Team Fewer than 10 active installations Tested with 6.8.8 * ![](https://ps.w.org/mail-integration-365/assets/icon-256x256.png?rev=2817704) * ### 󠀁[WPO365 | Mail Integration for Office 365 / Outlook](https://wordpress.org/plugins/mail-integration-365/)󠁿 * (26 total ratings) * IMPORTANT – Please choose the WPO365 | MICROSOFT 365 GRAPH MAILER plugin instead. This plugin is no longer supported and does not receive updates. * Marco van Wieren 2,000+ active installations Tested with 6.1.12 * ![](https://s.w.org/plugins/geopattern-icon/email-otp-login.svg) * ### 󠀁[Email OTP Login](https://wordpress.org/plugins/email-otp-login/)󠁿 * (1 total ratings) * Adds OTP (One-Time Password) verification after login for enhanced security in WordPress. OTP is sent to the user's email. * Tushar Sharma 40+ active installations Tested with 6.8.8 * ![](https://ps.w.org/gemfind-diamond-link/assets/icon-256x256.png?rev=3594398) * ### 󠀁[GemFind Diamond Link](https://wordpress.org/plugins/gemfind-diamond-link/)󠁿 * (0 total ratings) * Embed the GemFind Diamond Link diamond search and listing tool on your WordPress site with a shortcode, admin settings, and JewelCloud inventory. * GemFind Digital Solutions 40+ active installations Tested with 7.0.4 * ![](https://ps.w.org/sentwatch-email-uptime-monitoring/assets/icon-256x256.png? rev=3458221) * ### 󠀁[SentWatch – Email Uptime Monitoring](https://wordpress.org/plugins/sentwatch-email-uptime-monitoring/)󠁿 * (0 total ratings) * Monitor WordPress email delivery with instant notifications when problems occur. * pianoweb 30+ active installations Tested with 6.9.7 * ![](https://ps.w.org/newsman-smtp/assets/icon-256x256.png?rev=3260952) * ### 󠀁[NewsMAN SMTP](https://wordpress.org/plugins/newsman-smtp/)󠁿 * (0 total ratings) * The NewsMAN SMTP plugin allows you to send transactionals emails using NewsMAN\' s powerful email delivery infrastructure. * NewsMAN Fewer than 10 active installations Tested with 6.7.7 * ![](https://ps.w.org/noumify-email-otp-for-woocommerce/assets/icon-256x256.png? rev=3578388) * ### 󠀁[OTP Verification for WooCommerce](https://wordpress.org/plugins/noumify-email-otp-for-woocommerce/)󠁿 * (1 total ratings) * Add secure OTP email verification to WooCommerce registration with popup verification, email validation, spam protection, and SMTP support. * Nouman Ijaz Fewer than 10 active installations Tested with 7.0.4 * ![](https://ps.w.org/contact-form-to-email/assets/icon-256x256.png?rev=1907808) * ### 󠀁[Contact Form Email](https://wordpress.org/plugins/contact-form-to-email/)󠁿 * (102 total ratings) * Contact form with visual form builder. Contact form that sends the data to email, to a database list and to CSV / Excel files. * codepeople 9,000+ active installations Tested with 7.0.4 * ![](https://ps.w.org/proformanceplus/assets/icon-128x128.png?rev=3517358) * ### 󠀁[ProformancePlus](https://wordpress.org/plugins/proformanceplus/)󠁿 * (1 total ratings) * A powerful drag & drop contact form builder with conditional fields, reCAPTCHA, smart email delivery, submission logs, statistics, and blacklist p … * proformance Fewer than 10 active installations Tested with 6.9.7 ## Posts pagination [Previous](https://wordpress.org/plugins/search/SMTP+Authentication/page/6/?output_format=md) [1](https://wordpress.org/plugins/search/SMTP+Authentication/?output_format=md) … [6](https://wordpress.org/plugins/search/SMTP+Authentication/page/6/?output_format=md) 7 [8](https://wordpress.org/plugins/search/SMTP+Authentication/page/8/?output_format=md)… [14](https://wordpress.org/plugins/search/SMTP+Authentication/page/14/?output_format=md) [Next](https://wordpress.org/plugins/search/SMTP+Authentication/page/8/?output_format=md)