







View all replies from multiple mailboxes in a master inbox
No need to switch accounts - one login shows everything.
Use this as a shared inbox tool across teams or clients.
Tag replies automatically or manually by sentiment or context.
Filter conversations by sender, tag, reply type, campaign, or time.
Apply bulk actions like tag, assign, archive, reply, or forward.
Prioritize hot leads instantly with intent-based filters.
Handle 1000s of replies daily without chaos.
Detect and tag OOO, bounce, and unsubscribe replies automatically.
Trigger custom workflows when keywords like “interested” appear.
Route leads into follow-up sequences or booking calendars.
Automate first-touch responses or re-engagement based on behavior.
Assign replies to specific teammates for quick resolution.
Add internal comments for lead context and handoffs.
Collaborate in one place instead of scattered inboxes.
Fully white-labeled for agency client dashboard workflows.
Smartlead helped us scale to millions of emails with strong deliverability. The unlimited sending, easy inbox warm-up, and flexibility with custom tracking domains make it perfect for high-volume outbound. The UI is clean and the team ships updates fast. Workflows are intuitive, support is responsive, and Smartlead keeps improving with features that actually matter—like inbox rotation, blacklist monitoring, and advanced reply detection.

Gabriel M.
Founder, CEO - Reachflow
Push replies into your CRM with full thread context.
Get real-time Slack alerts when leads respond or show interest.
Sync data with Google Sheets automatically.
Measure reply volume, bounce rate, OOO trends, and interest levels.
Frequently Asked Questions
What is the master inbox?
The master inbox is your one-stop solution where you can manage all your messages from different email accounts from all campaigns in one place. Instead of hopping between accounts, you get everything neatly organized in a single dashboard. It's super handy for staying on top of your emails without the hassle of switching back and forth between accounts. Plus, with features like real-time email replies, enhanced lead management tools, and customizable views, you have everything you need to streamline your email workflow and boost productivity.
How do real-time email replies work in Master Inbox 3.0?
Real-time email replies in Master Inbox 3.0 ensure you receive lead responses instantly. No more waiting around for replies; they appear in your inbox within seconds. This feature offers a complete view of customer messages across all your accounts, allowing you to engage with leads promptly and efficiently. It's a game-changer for cold email campaigns, ensuring you stay ahead and never miss a beat.
When will the Untracked Replies feature be available?
The Untracked Replies feature will launch in the last week of February, 2024. This exciting addition to Master Inbox 3.0 will allow users to track all responses, even those without the usual tags or identifiers.
Are there any restrictions on the number of custom views based on the plan?
Yes, there are restrictions on the number of custom views based on the plan you choose. Users on the Base and Popular plans can create up to three custom views. And users on the Pro and Custom plans have the flexibility to add more views according to their needs.
Can you explain how adding attachments directly to the master inbox impacts email conversations?
Adding attachments directly to the master inbox simplifies email conversations. Now, users can seamlessly exchange files like documents, images, and videos within their inbox, eliminating the need to switch between applications. This feature saves time, enhances organization, and boosts productivity by ensuring all important files are easily accessible when needed.
What keyboard shortcuts are available in Master Inbox 3.0, and how do they streamline tasks?
In Master Inbox 3.0, you can enhance your productivity with keyboard shortcuts that make managing your email campaigns easy. You can perform various actions, from assigning leads to blocking them without leaving your keyboard. You can automatically mark a lead as out of office just by pressing "O + L." Likewise, you can pause or resume a lead with other shortcuts. Whether you're replacing a lead, assigning categories, assigning tasks, or pushing leads to another campaign, these shortcuts streamline your workflow and save you valuable time.
Could you elaborate on the Sidebar feature and its organization of the master inbox?
The Sidebar feature in Master Inbox 3.0 makes inbox management efficient and organized. It offers easy navigation with categories like Inbox, Sent, Important, Snoozed, Reminders, Scheduled, and Archived. Each section serves a specific purpose: Inbox for incoming messages, Sent for replies sent, Important for marking key leads, Snoozed for temporary hold, Reminders for follow-ups, Scheduled for scheduled emails, and Archived for storing leads.
Are there any planned future updates or features beyond Master Inbox 3.0?
While Master Inbox 3.0 is a significant step forward, Smartlead is committed to continuous improvement. We're actively gathering user feedback and exploring enhancements to further streamline workflow management and boost productivity. Stay tuned for upcoming updates as we strive to deliver even better solutions for our users!