Top 10 Best Mail Tracking Software of 2026

Yesware is a leading email tracking and sales enablement platform that integrates seamlessly with Gmail and Outlook to provide real-time insights into email opens, clicks, and attachment views. It empowers sales teams with features like automated reminders, email templates, scheduling, and CRM integrations to streamline outreach and boost productivity. Beyond basic tracking, Yesware offers campaign analytics and team collaboration tools for data-driven email strategies.

Mailtrack is a lightweight Gmail extension that enables email open tracking by embedding invisible tracking pixels, providing real-time notifications and read receipts via a distinctive double blue checkmark system similar to WhatsApp. It displays open counts, timestamps, and approximate locations, making it easy to gauge recipient engagement without leaving your inbox. The free version offers unlimited tracking, while the Pro upgrade adds features like link tracking, email scheduling, and reminder sequences for more advanced sales and outreach needs.

Mixmax is a Gmail-focused email productivity platform that excels in mail tracking by providing real-time notifications for email opens, link clicks, and attachment views. It offers detailed analytics dashboards to monitor engagement metrics across campaigns and individual emails. Beyond basic tracking, it integrates scheduling, templates, personalization, and automation to enhance sales outreach and team collaboration.

Boomerang is a popular Gmail extension that provides email tracking through read receipts, allowing users to see exactly when their emails are opened. It also includes complementary features like email scheduling, follow-up reminders, and response tracking to improve productivity. While not a standalone tracking tool, it integrates these capabilities seamlessly into Gmail for everyday email management.

GMass is a Gmail add-on designed for mass email campaigns, enabling users to send personalized bulk emails directly from their inbox with built-in mail tracking. It provides real-time open and click tracking, link analytics, and bounce reporting to monitor campaign performance effectively. The tool also supports mail merge from Google Sheets, scheduling, and automatic follow-ups, making it ideal for outreach without needing a separate email service provider.

Right Inbox is a Chrome extension designed specifically for Gmail users, offering email tracking to monitor opens, link clicks, and attachment views in real-time. It integrates seamlessly into the Gmail interface, providing instant notifications and additional productivity tools like email scheduling, reminders, and customizable signatures. This makes it a straightforward solution for individuals tracking email engagement without needing complex setups.

Streak is a CRM extension that embeds directly into Gmail, providing email tracking features like real-time open and click notifications to monitor recipient engagement. It enhances mail tracking with CRM pipelines, mail merge, and snippets, allowing users to manage sales workflows without leaving their inbox. While not a standalone tracking tool, it excels for Gmail-centric teams needing integrated visibility into email interactions.

HubSpot Sales Hub is a comprehensive sales CRM platform that includes robust email tracking capabilities, allowing users to monitor email opens, clicks, replies, and attachment views in real-time. It integrates seamlessly with Gmail and Outlook, providing notifications and analytics within the broader context of sales pipelines and deal tracking. While not a standalone mail tracker, it excels in combining tracking data with CRM insights for sales teams.

Lemlist is a comprehensive cold email outreach platform with strong mail tracking capabilities, allowing users to monitor email opens, link clicks, reply rates, and even attachment views in real-time. It excels in personalization features like custom images and videos that can be tracked individually per recipient. Beyond basic tracking, it includes email warm-up, A/B testing, and multi-channel sequences to optimize campaign performance for sales teams.

Woodpecker.co is a cold email outreach platform that includes email tracking features like open, click, and reply monitoring to help sales teams gauge prospect engagement. It integrates tracking with automation tools such as personalized follow-ups, A/B testing, and email warm-up for better deliverability. While robust for outbound campaigns, it functions more as a full sales automation suite rather than a lightweight tracking-only tool.