Mission Inbox

We've rebranded, acquired CeyMail, and are launching transactional email infrastructure for developers. That's a lot for one announcement. Here's the thread that connects it all. For two years, Mission Inbox has given sales teams dedicated sending infrastructure. Not shared pools. Not neighbors with unknown sender reputations. Isolated environments that have increased inbox placement for sales outreach. Every quarter, the receiving side gets smarter. Sloppy AI outreach is flooding inboxes. Filters are getting more aggressive. This quarter, SURBL blocklisted a large chunk of cold email infrastructure in one sweep. Not by targeting IPs, but by reading the domains inside email bodies. For outbound, you swap domains and adapt. For transactional, the domain in your password reset and receipt is your actual business domain. You can't swap it. The old answer, that was "filter better on arrival", is running out of runway. The durable fix is cleaner sending at the source. That's what MI Shield is built to do. It screens every email before it goes out, so bad mail never reaches a filter in the first place. That's what this acquisition, this rebrand, and this product expansion are about. CeyMail's infrastructure joins ours. Our platform expands to cover transactional emails alongside sales and marketing. Every workload stays on its own dedicated infra, managed from one control plane. Mission Inbox becomes your mission control for every email your business sends. Expanded capabilities. Same deliverability. Same obsession. And we've got a new website too; check it out.

Growth doesn’t start with dashboards, it starts with conversations. And in 2026, every cold email that fails to land isn’t just a technical miss, it’s a lost chance to connect, to build trust, to open a pipeline. The reality is simple: reply rate is no longer a vanity metric. It’s the signal that your brand is credible, relevant, and worth engaging with. Deliverability isn’t about IT, it’s about protecting reputation and revenue. At Mission Inbox, we believe leaders must demand that their teams have the basics covered. Because inbox visibility is the foundation of B2B growth.

A bit of a different post today. As some of you know, Steve and I are from Costa Rica. We come from a small country known almost exclusively for its nature, not the businesses which come out of it. So seeing our story featured today in El Financiero, the biggest business and finance newspaper in the country, is incredibly humbling. But the article highlights something more important than our growth. It shows that where you build matters. To my friends and connections in the US, you are truly blessed. We are incredibly grateful that we were able to build our company there too. You honestly might not realize the luxury of simply having Stripe to process payments. There are even investors who loved our business, did their due diligence and praised our operating discipline... but passed just because we were not physically in the US. Even though our company is. For those in Costa Rica and LATAM, the reality is often different. It costs 3x the money to formalize. It takes months rather than days to start operating. And the biggest limitation is that if you incorporate here, you are generally restricted to serving only clients within the country. We aren't saying this to be negative. We want to help other founders in LATAM navigate these waters. We love this opportunity to show people in such a small country that going global is possible. We want to help break the mental limitation that it cannot be done, which is often the mindset taught in schools here. We are proud to put Costa Rica on the tech map and we are committed to keeping the door open for those coming next. More fuel to the fire, and as always, if you’re looking to get more responses with a better email infrastructure, try Mission Inbox 😉

Weekend reading that pays off Monday. Google’s Gemini isn’t just another AI milestone, it’s reshaping how cold email works. Deliverability, authentication, and reply rate are entering a new stage where technical rigor meets strategic creativity. In our latest Mission Inbox blog, we break down what Gemini means for B2B outreach, and how to adapt your infrastructure + messaging to stay ahead. Take 5 minutes this weekend to dive in, come back Monday with fresh ideas for this new era of Google + cold email. Read here: [link to blog: https://lnkd.in/ebJBX7K8

What’s the real reason your emails aren’t getting replies? It’s not just the subject line. It’s not just the timing. The truth is: without authentication, solid infrastructure, precise segmentation, and a compelling offer, reply rate will always stay flat. Our latest infographic breaks down the technical playbook that turns inbox visibility into pipeline growth, showing exactly how enterprise SaaS vs SMB campaigns perform when the system is engineered right. Ready to stop guessing and start engineering replies? Book a demo with Anthony Baltodano or Malena Falcone today and see how Mission Inbox helps you turn infrastructure into pipeline. Visit missioninbox.com to learn more.

Gmail’s Gemini update didn’t kill cold email. It raised the bar. Authentication protocols (SPF/DKIM/DMARC) are compliance hygiene, they keep you out of risk, but they’re invisible to the board. What executives measure is reply rate. Because reply rate = pipeline confidence. It tells you if your ICP lists are precise, if your offers solve real pain, and if outbound discipline is creating revenue. Teams that confuse authentication with KPIs aren’t just mismanaging email, they’re mismanaging pipeline. See the full breakdown in our blog: “Why Gmail’s Gemini Changes in Cold Email Matter if You’re a Cold Email Sender” at https://lnkd.in/eV4jS5k9

The game it’s evolving. At Mission Inbox we help B2B teams stay compliant, human, and in the inbox. Authentication + trust = pipeline protection. That’s the playbook we bring to in 2026.

Had a 20-min Zoom with a former New England district leader who's built an AI-enabled communication tool for schools. Great product, but wrong fit for us. But here's where it got interesting... He's going up against enterprise software that's baked into larger platforms, but his sweet spot is small-medium districts. Problem? Zero sales background. Didn't know how to send emails at scale or where to get contact info. So I walked him through my starter stack: 1️⃣ Instantly.ai for email delivery (we don't use Instantly, but it's great for his use case) 2️⃣ Mission Inbox for management   3️⃣ Getedulead for contact data 4️⃣ Simple email → call cadence 5️⃣ Pick up the phone yourself Here's the thing... most founders in EdTech rely solely on network and intros. But this guy has something better: he's relatable to his buyers. Former district leader talking to current district leaders? That's gold. If you're an early-stage founder trying to crack the education market, stop overthinking it. Get the right tools, get targeted with your segment, and start dialing. 📞 LMK if you need help with the technical setup!

Gmail just killed cold email... or not So, Gmail just officially entered the “Gemini Era.” And just like the Microsoft BCL update back in Oct 2023 — this is being forced on everyone unless they opt out. Basically? The AI is now the default gatekeeper for your prospects. But before the panic sets in... let’s look at the actual data. We’ve been seeing these features (AI summaries, drafting assistants) in the wild for a while now. The verdict? — We haven’t seen a significant drop in deliverability. — If anything, numbers are trending up post-holidays. However, the rules of engagement have shifted. If you want to stay in the primary inbox, here is what we are seeing on the ground: 1. Google loves “Casual.” The AI favors copy that sounds like it came from a friend. — Stiff, corporate "professional" tone? Flagged. — Informal, human, low-friction? It gets through. 2. The “Summary Trap” is real. This is the single biggest risk to your campaigns. If you bury your value prop in paragraph 3 after introducing yourself or any bs, the AI is going to miss it. It will summarize who you are and simply tell the prospect: “Sender provided additional context.” And just like that, your email is gone. The Fix? You have to walk a fine line. Be conversational (to please the filter), but be ruthlessly direct (to please the summarizer). Don't fluff it up. Treat the AI like a busy executive assistant. If you don't get to the point in sentence one, you might not get read at all. As always, cold email has thrived over and over again no matter what the filters throw at us, so just sit back, check your campaign performance and adjust or at least A/B test! What do y'all thing is going to happen?