MasterInbox

You didn’t lose the deal because of bad copy.
You lost it because the reply got buried.

Outbound platforms miss replies that land outside the thread.
And when you're running 5+ client accounts across Instantly, Smartlead, Luella, HeyReach, Expandi etc

You don’t even know what you’re missing.

Master Inbox fixes that.

It connects directly to Google Workspace, Outlook, Zapmail, ScaledMail, Premium inboxes and the inbox infrastructure you use, so every reply shows up, every time.

No more lost replies.
No more inbox chaos.
Just clean, centralized conversations that convert.

https://masterinbox.com

Founder

Polyuno

- Helped create 7 new product lines, services, and SaaS products. 
- Managed acquisition deals on 3 product exits. 
- Created GTM strategy and sales playbook that currently generates over $3m ARR

Board Member and Growth Advisor

Offsight

Helped rebuild from the ground up, the leading project management platform for the Offsite Construction and Building Components industry.

Head of Product

OutReachBin

Developed a cold email tool which included one the first versions of anti-spambox tech, allowing marketers to bypass spam filters and land directly into their recipients inbox. Exited in less than 18 months after reaching 42k MRR.

VOX Global

Oversee all technology operations, and manage PM, Development, and design teams.

Director Of Technology

BluShark Digital

•Responsible for all aspects of the development and implementation of assigned projects and provide a single point of contact for those projects (management and analysis) with little oversight by management. Lead cross-functional teams to address business or systems issues.

Technical Project Manager

OEVO

OEVO - a 7-second competition based video social networking app with daily competitions that gives creators the chance to win a $100 every day. A platform that allows content creators to produce short engaging videos. It's a place where creators can showcase who they are, what they stand for and what they believe in. It's a platform for original entertainment videos online.

- Helped grow OEVO from 200 beta users to over 1M registered users in six months. OEVO peaked on the Apple AppStore beating apps such as Houseparty, Periscope and more.

Co-Founder 

RankToday

Created RankToday by focusing on small businesses that needed help digitizing their business and creating an online presence, helped build the agency to over 500 small business clients for stepping away to an advisory role.

I didn’t burn out from sending 50M+ cold emails.
I burned out trying to catch the replies.

8000+ email accounts.
4 outbound platforms.
LinkedIn DMs flooding in from tools like HeyReach, Prosp, and Expandi.
Client campaigns running on Instantly, Smartlead, Apollo and Luella.

Every platform had a “unibox” until a prospect replied outside the thread.
Then? Nothing.
No notification. No CRM update. Just silence.

We weren’t losing deals because the copy was bad.
We were losing them because the replies were slipping through the cracks.

And when that happens, you’re not just missing a lead.
You’re damaging trust.
You’re burning a warm conversation.
You’re apologizing to your clients for something you didn’t even see coming.

That’s why I built MasterInbox.com

Not another outbound tool.
A reply-first workspace.

It connects directly to Google Workspace, Outlook, Zapmail, ScaledMail, Premium Inboxes, Mission Inboxes, Maildoso, and the inbox infrastructure itself so every reply, no matter where it lands, is captured and surfaced.

It’s:

- Unified across email + LinkedIn

- Built for reply workflows, not just sending

- Designed for agencies managing volume + velocity

Finally, a system that closes the reply loop

Not for everyone.
Just for the people who live in the replies.
The ones who know a missed message can cost a client.

This is your edge.
Reply chaos ends here.

Join the MasterInbox movement -> https://masterinbox.com

We’ve 26x’d our MRR since switching to Paddle.

That’s not a typo.
Twenty six times.

Here’s what happened:

- We won Paddle Launchpad
- Made incredible friends and supporters (Aditi Aggarwal, Danielle Delahunty-James, Andrew Davies, Karthik Puvvada and  Peter Haggett )
- Onboarded over 600,000 inboxes since those early days
- Dug deep into the numbers using Profitwell by Paddle

And today, I got to visit their #London HQ  full circle moment

This is a long way from our old payment processor, who ghosted our support emails.

Paddle didn’t just process payments they backed our growth, answered our deep questions, and helped us scale faster than we imagined.

Yes they gave us $10,000 when we won launchpad!

You already know:
If you’re running an agency and still using your sequencer inbox…
You’re missing replies -> switch to Masterinbox.com

Same way:
If you’re a business still hacking together payments with Stripe + 10 zaps…
You’re leaving money on the table -> Switch to Paddle

Comment “Paddle” and tell me what your business sells  -> I’ll DM you the exact playbook we used to 26x MRR.

This is what I wish someone had handed me two years ago.

Abdul Mukati

Replies get missed, clients get pissed. Use MasterInbox.com

10,000 of you decided to follow me on LinkedIn.
So I write this from the heart

10k is just wild.

So let me (properly) introduce myself.

My name is Abdul Mukati

I’ve been building in the product and software space for 15+ years.

I sold an outbound sequencer before Masterinbox.com before Smartlead , before Instantly.ai , before this category was hot.

I was actually a lemlist customer back in the day! 

I remember seeing Bethany Stachenfeld from Sendspark stating in 2019, probably expandi guys as well if I’m not mistaken and so many more of you I can’t recall and list! (I’m getting old) 

I’ve also built and sold in B2C as well scaling OEVO from 100 users to over 1 million.

As well as built numerous other niche B2B softwares

Most days, you’ll find me doing one of three things:

→ Talking to customers
→ Pushing my teams to their limits
→ Convincing people to start something of their own and chase freedom

Not everything I’ve done has worked.

I’ve put in 16 to 18 hour days to build something big… only to lose it all and start again.

But that’s part of the game.

And I wouldn’t have it any other way.

My goal has always been to help

If I have helped you in any way, I’d love to hear our story in the comments.

If I haven’t had the chance and you think I can help you then comment and tag me. I’ll do my best.

If you know someone you think I could help tag them! 

To everyone who’s followed, liked, commented, or messaged thank you.

I’m just getting started.
Glad you’re here.

No alternative text description for this image

We’re hiring a CSM @ Master Inbox
If you’ve lived and breathed outbound, this role was made for you.

Outbound is broken across too many tools.

Masterinbox.com fixes that by centralizing replies from email, LinkedIn, and more into a single command center for agencies and outbound teams.

We’re growing fast and need someone who deeply understands the cold outreach ecosystem:

EmailBison, Smartlead, Instantly.ai, HeyReach.io, Expandi, Aimfox,  n8n, Clay Webhooks, APIs, CRMs.

You speak the language and know how to make the tools play nicely together.

You’ll work directly with agency owners, helping them:

- Set up and integrate their stack
- Troubleshoot complex workflows
- Optimize for client outcomes
- Shape the product with real feedback

You’re right for this role if:

- You’ve worked with (or at) lead gen agencies
- You’ve supported or built outbound systems
- You get technical but talk human
- You know outbound isn’t just about sending it’s about replies

This is a chance to get in early, move fast, and make an impact.

If this sounds like your kind of inbox:
DM me a video on why this might be a fit!

People told me I should quit 
They’re the reason

You make it big later.
But then you have those who were there from day 1! 

Back when I started Masterinbox.com , it was just an idea helping lead gen agencies never miss a reply.

I didn’t have a team. I didn’t have traction. Just conviction… and a few people who saw what I was trying to build before anyone else did.

One of them was Najmuzzaman Mohammad 🍉  

He was the guy who’d take a late-night call, poke holes in the idea, and then help me patch them back up. 

The kind of person every founder hopes to have around in those early, messy chapters.

Fast forward to today we’re both in SF, hopping between events, meeting customers, prospects, and friends who’ve been part of the journey since day one.

Only now, Naz is the one building something huge Nex.ai , an auto-updating CRM layer that’s quietly reshaping how RevOps and Sales teams operate.

If you’re a founder, agency, or anyone in the trenches of building remember this: 

the early believers matter more than you think.

Thank you all who have helped us in the early days, we are just getting started!

🚨New Integration alert! 

Most agencies think deliverability is just about warmup tools.

Or a few technical settings.
Or hoping replies land somewhere.

But the reality is:

Your mailbox setup is the foundation of your outbound success.
If it’s weak everything built on top of it crumbles.

That’s why we’ve integrated with InboxKit .
The best-in-class solution for outbound agencies who refuse to cut corners.

Because if you’re not using InboxKit, you’re risking deliverability.

And if you’re not using Masterinbox.com, you’re probably missing replies.

Our clients demand the best.
And so should you.

We onboard 1000 mailboxes 
every working hour

Thats absolutely bonkers to think about after only being 5 months old
The support from you guys has been incredible and I cant thank you enough!!

We are on a mission to be the reply command center for your outbound

If you are a lead gen agency

- Missing replies
- Doing outbound on linkedin
- Outbound on Email 
- Maybe using multiple tools
- Need a way to give clients easy and consolable inbox access 

Masterinbox.com is the solution for you :)

We had to raise our prices once again
Thanks for the feedback yesterday Nick V.

Anyone in San Francisco, Dublin and London?
Lets meet up!

I will be landing in SF later tonight for #apollonext
Heading to Dublin on the 13-16th for #saastock

And then off to London 16th to 20th
Meeting some clients and prospects for Masterinbox.com

20th onwards if you are in Hanoi, Manila, Bangkok lmk!

If you are in town, around and totally down to chill, talk GTM, and just hang out lets meet up!

If you are an agency do not worry I will not be selling you master inbox when we meet, I will not try to help you never miss a reply, or make more money that offer is not part of the deal

See you guys soon!

Met the Master of CSM at C17 Lab today in Hanoi
Here are things 16+ years of experience didn't see:

We move around in the world like apex predators
Always on the hunt for more
We leave our teams behind to be the ones who nourish, take care and sustain our business. 

When we move so fast, seldom do we sit back and analyze how we should interact, what processes we should implement, how we should train, maintain and sustain. 

Harvey Le 🧲 shared a few things that will change how we do support at Masterinbox.com

- Unlimited Plan members will now get 1-1 white glove support options provided to them for their customers as well, currently we service the agencies, and agencies service the clients. Time to resolution is long. We are here to fix that.

- As we grow fast, our ops, processes and systems should too! We are creating a combined FAQ that auto looks up when questions are asked in slack helping us field the first few if they are common enough. 

- An automated system for deeper dive follow up for support, as issues are raised, asking for details that matter helps not only customers get solutions faster, but it also helps our teams recreate and solve issues. 

- A new ticketing system is being created to help track, provide resolution times and give you line of sight so now agencies can give exact ETAs to their clients. 

- As we onboard our first CSM Harvey shared detailed insights that will help us navigate agency world a lot better. 

If you are an agency in Hanoi or Vietnam or near by let me know. I always love meeting customers in person. 

As always if you are doing outbound and you have not upgraded from your sequencer inbox to master inbox, you are missing replies!

I am absolutely delusional 
almost psychotic some might say 

leaving a nice paying job
taking a random risk I didnt need to 
Building in a crowded space 
believing in an idea people said shouldn't exist

Literally someone told me a few months back I should quit

But here we are
600,000+ mailboxes
Some of the best outbound agencies in the world using Masterinbox.com
The best supporters, friends and customers
The greatest feedback product loop I could ask for 

Solving critical problems across email and linkedin so you never miss a reply. 

If you are out there starting
just do it
If you are growing, stop looking back 
keep going
If you are listening to others more than your own customers
Focus

If you are reading this on linkedin and you got this far
bruh get back to work!

Growing fast almost killed us
Here is how:

1. Our inbound funnel is working
So we are making zero changes to this -> comment if you wanna know how we do this btw

As we bring on our first CSM the goal is to actually expand brand and add more content out into the LinkedIn universe and increase inbound even more.

2. If users grows too fast, product requests increase tremendously, we have to choose what we build. It becomes harder than ever to stay focused, say no, and keep an eye on the prize. 

We are working on keeping communication solid, but ensuring we stabilize the product even more so as usage spikes. New features mean less than things that should always work. 

3. After speaking with Harvey Le 🧲 we have decided to automate ticketing, support and go one level deeper in the support we provide to be even more hands on. This requires a lot more resources but you have to invest to get. 

4. Looking to complete the funnel as we bring in mailbox purchases right into the platform, you will soon be able to purchase domains, mailboxes within Masterinbox.com and not have to worry about connecting them, porting them etc 

Keeping things seamless is key for us and will help our agencies as well

5. Quality of life features vs huge massive updates, as we speak with more and more customers we realize we shifted from our vision in the early days of seamless quality of life to feature mongering, its time to shift right back to what poeple loved the most.  

6. Constantly changing pricing, I speak with Stuart Brent about this a lot for his software saasyDB and its no different for us, we change pricing every 30 days almost, plans shift pricing increases, this does create a vacuum where they are some people and agencies who get prices out. 

7. Our focus is higher than ever now on never missing a reply, as we scale this becomes harder and harder and I think there is work to be done always to ensure this remains true. We currently process replies usually within 120 seconds, but we notice that users have automations and flows that we need to equip and ensure never break. 

8. Adam Robinson helped us understand that we should focus on helping agencies never miss a reply, and Enzo Carasso 🧲 at scultp made us think even bigger, we used to service reply to meeting but now we are taking this a bit further to reply to revenue. 

This changes everything for whats to come at Master Inbox as we help agencies reply faster, close more effectively and increase client retention. 

9. If you are an agency who has spoken with us on a call before and took x amount of days to decide but pricing increased in the meantime, we were honoring older pricing, however, now all new pricing will go into immediate effect for all new customers. All our older customers get grandfathered in always!

10. if you are doing outbound email, linkedin, both, across any sequencer and have not upgraded your inbox, you are missing replies!

Just did a demo call with no demo
New prospect and then my laptop completely froze.

No screen share. No product walkthrough. Just… nothing.

So I did what any founder with 8 more calls that night and a frozen laptop would do: I grabbed my phone, took a breath, and told the story instead.

I walked them through the product without ever showing it.
Described how it works. Who it helps. Why it matters. Painted the picture, pixel by pixel.

Was it ideal? Absolutely not.

But something surprising happened: they got it. The call became less of a “demo” and more of a conversation. We qualified fit. Talked through their workflows. Turns out, they run multiple sequencers and are bleeding replies across LinkedIn and email.

They don’t need a flashy interface they need a real solution.
That’s what Masterinbox.com gives them.

If you're running outbound for an agency and juggling replies across tools… there's a better way.

Next time, I’ll show it live.
This time, I sold it on imagination.

Let’s get you a proper demo before my computer decides otherwise.

Another day building
Another day growing

Today is Partnerships Day.

I had some incredible convos as SaaStock and walked away with us looking into FullEnrich powering phone number enrichment and Optik AI going live soon with our embedded inbox experience.

But more than that:

This was a reminder of how fast things move when people actually meet face to face.

I kept joking that today was so productive, I might just skip tomorrow and fly home.

I won’t. But the energy was that good.

Every time I shared our pitch

 “we combine LinkedIn and email into one inbox so you never miss a reply” 

I got the same reaction and Ciaran Ryan  can attest to this, people kept saying:

“Oh shit, I need that. Where do I pay?”

It never gets old hearing that. 

And it never gets old building with people who get it.

To more convos, more partnerships and maybe just a little less sleep.

I post on linkedin to get meetings
but now i have no time to post on linkedin

life is like a hamster wheel
we keep running around
into the unknown
repeatedly 

keep doing the same things
trying to reach results we always dreamed of
when we achieve "success" 
we think we made it 
we forget to see our faults, the drains, the holes

if you are killing it at outbound
you think there is no gap
think again

your sequencer inbox needs an upgrade
because if thats all you are depending on
you are missing replies

replies get missed
clients get pissed
so use Masterinbox.com

Clients across different outbound tools?
Not connected to one inbox? 

Most agencies are losing deals and they don’t even know it.

Why?

Because they are running outbound across multiple tools:

	•	EmailBison  
	•	Smartlead  
	•	Instantly.ai  
	•	HeyReach.io  
	•	Expandi
	•	Aimfox  
	•	SalesRobot  

…and more.

Each tool has its own inbox. Which means:
Replies are scattered.

Important messages are missed.
Deals fall through the cracks.

Here’s the fix:

One Masterinbox.com to unify reply management across email and LinkedIn, across every sequencer.

From one dashboard, your team can:

	•	See all client replies in one place
	•	Tag, sort, and assign to agents
	•	Reply directly inside the inbox
	•	Sync with Clay, Hubspot, and Slack
	•	Grant clients access to only interested leads
	•	Keep live deal lists updated in real-time

It’s built for agencies running high volume outbound.

And it’s saving deals daily.

If you’re not using a Master Inbox, your clients are missing replies.

And you’re missing revenue.

London weather sucks!! ⛈️🌩️⚡️
But the GTM talent here? Absolutely elite.

Just wrapped a GTM hangout with Joel Sinclair-Horne from Clay Playbook   and Tim Yakubson 🚀 from Unlock Clay & B2B Boosted

No photo proof Tim, we fumbled that one but the convo was worth it.

I didn’t realize how many operators are quietly building magic in this city.

Joel broke down some reporting workflows they’ve been testing at ClayPlaybook
Game changing stuff we’re already looking to bake into Masterinbox.com

Here’s the reality for agencies:
If you’re doing outbound on LinkedIn and email, and not using Master Inbox…
You’re definitely missing replies.

Missed replies → pissed clients → lost revenue.
What’s a client worth to you?

Master Inbox costs less than a single lost deal.
Start catching every reply.

I had to make this video for the linkedin Streak!
Heard its totally taboo to go a work day without posting!

LinkedIn isn’t for selfies.
Apparently.

This was Halong Bay and it was worth it.

Because whether you post a picture or a pitch, someone’s going to get mad. You can’t win them all.

But you can make sure you have a great experience.

Same goes for your clients.

They might not love every message. Not every lead will reply.

But what should never happen is a missed reply.

That’s why agencies use Masterinbox.com to make sure no message slips through the cracks, on LinkedIn or email.

You can’t please everyone.

But you can deliver a world class experience with master inbox!

🚨$1200 booth going to waste!!!!!!!! 
Dont make the same mistake as me!

At Masterinbox.com we bought a ticket for #websummit lisbon but wont be going for good reasons:

Disclaimer:

This move is not a mistake for many founders, however, for us at this stage it makes more sense to close the deals we have on our cal then afford to spend 3 days blocking our cal... 

Crazy and great place to be as a company. 

We got so much love and support from Clay's #Sculpt as well as the side event hosted by Harris Kenny aka the outbound invitational that ROI on other events seem terrible in comparison. 

1. Our ICP will mostly NOT be at Web summit lisbon, if your ideal customers are also not there, why would you go? You shouldnt!

2. We will attract the wrong type of customers, those who want to move from superhuman, and are founders not agencies, no GTM or sales teams = not a good fit. 

3. More convos with random "interested" people VS actual conversations with customers who want to onboard NOW and have a direct pain of missed replies. 

4. Why spend more money to double down on a mistake, we paid for the booth, why pay for travel food and housing, we don't have VC money and even if we did we would still make this call. Money is money!

5. We probably wont be meeting current customers, I travel personally to meet customers in person, it makes travel meaningful for me, purposeful, Italy with Matteo Fois and Alfredo Talib📐 probably comes before Lisbon at this point lol

So if you are looking at events: 

1. Its not the money cost that matters, its the time cost, opportunity cost that matters more. 

2. only go if your current or future customers will be there

3. if its cheap, close by, sure go, make content use that content push your brand. 

4. Focus on customers, day in and day out, this is the ONLY way to win!


----
I am Abdul building MasterInbox to help lead gen agencies combine email and linkedin into one inbox, so they never miss a reply!

So proud to see my brother Hasan Mukati making waves and launching an incredible product! 

If your not on Mr GuestList are you even going? 

Launched with some of the biggest venues in Boston and soon expanding to a city near you!

We just launched the Mr. Guestlist app in Boston, and it’s already changing how people go out.

This started as an idea between friends: What if getting into top nightlife events didn’t mean texting promoters, buying tickets early, or hoping someone adds you to a list?

After months of testing, late nights, rejections, and a near-spiritual battle with Apple’s review process (seriously, I almost boxed Tim Cook), we’re finally live!

Hundreds of people have already downloaded the app.

And have used it to walk past the line, skip the promoter, and get into the city’s top clubs completely free.

Even better: we’ve partnered with Boston’s biggest nightlife venues to make this the easiest way to go out.

Now we’re focused on growing and bringing Mr. Guestlist to more cities soon.

If you’re in Boston and looking for plans this weekend, we’ve got you covered.

Are you an agency/GTM doing this?



Most start with one of these:

Email.
LinkedIn.
Maybe cold calling.

Then they scale.
Add more touchpoints.
Layer in inbound.
Talk attribution.
Try to prove ROI.

But somewhere along the way things start falling through the cracks.

Missed replies.
Unsorted leads.
Clients chasing their own prospects.
You did the hard part got the interest 
But they couldn’t convert.

That’s not just a missed opportunity.
That’s churn waiting to happen.

At Master Inbox, we built our platform for one mission:
Never let a reply slip through the cracks.

Because if you’re running outbound as an agency, and relying solely on sequencer inboxes…
You’re leaving value on the table.

Whether your clients handle replies or you do 
We give you the visibility, control, and workflows to close the loop:

→ No missed replies
→ Qualified leads, clearly sorted
→ Full visibility across email + LinkedIn
→ Easy CRM integration
→ Attribution to prove your impact

Master Inbox isn’t just an add-on.
It’s the missing piece in your outbound stack.
And it’s how the best agencies stay indispensable.

Taplio

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