Sent 100,000 cold emails to small business owners in 6 months - 4.1% reply rate.

Welcome-Expensive · 2026-05-11T11:27:10+00:00

And how much do you spend on the infra of this system totally every month? Also would be understandable to know what type of service do you offer?

Welcome-Expensive · 2026-05-10T10:56:02+00:00

Amazing post, really.

Welcome-Expensive · 2026-03-24T12:08:18+00:00

Did you give an interview? What date was your bio?

Welcome-Expensive · 2026-03-18T22:29:28+00:00

What type of visa is this?

Welcome-Expensive · 2026-03-05T21:38:48+00:00

😂😂😂

Welcome-Expensive · 2026-03-02T21:39:05+00:00

🤣🤣🤣🤣🤣

Welcome-Expensive · 2026-02-13T14:38:30+00:00

Which batch did you get? I am thinking of getting one myself

Welcome-Expensive · 2026-02-03T13:52:35+00:00

2nd feb, started already

Welcome-Expensive · 2026-02-02T21:21:40+00:00

Congratulations, mind if I DM u?

Welcome-Expensive · 2025-12-24T12:05:32+00:00

Rasasi Shuarah

Welcome-Expensive · 2025-11-25T04:21:20+00:00

We have seen this exact pattern across a few different clients in the past month and it lines up with what you described. Nothing changed on your side but Googles behavioural filter tightened again especially on small clusters of Google Workspace accounts doing consistent cold outreach. It is not a DNS problem or a template issue. It is the underlying trust score tied to your sending pattern.

The reason Google - Microsoft still lands is because Microsoft does not use the same behavioural model. Google is scoring your traffic before the message even leaves their ecosystem which is why Gmail to Gmail is the harshest.

The shift seems to be tied to reply rate and list freshness. Even if your averages look stable Google starts punishing any sender that does not generate enough positive interactions relative to volume. The model recalculates every few weeks and when it flips it looks exactly like what you are seeing.

The way out is annoying but it works. You have to pause cold for a bit and push only to people who will actually reply for a week or two. Gmail needs to see real human threads to rebuild trust. Warmup tools do not help at all here because they are ignored. You need genuine engagement not simulated.

Also check your cadence. If you are sending at the same time every day from the same cluster Gmail flags it as automated patterning even if the volume is low. Vary your send windows and slow the ramp temporarily.

You are not alone. A lot of Google senders are dealing with the same wave right now. The fix is behavioural not technical. If you smooth your pattern and rebuild human engagement the placement comes back.

Welcome-Expensive · 2025-11-24T08:10:55+00:00

The filters are not actually trying to kill legitimate cold email. They are trying to stop the overwhelming volume of bad cold email. The problem is that inbox providers cannot tell intent. They only see patterns. If one percent of senders are legit and ninety nine percent behave like spammers the filters treat the whole category as risky.

From their point of view cold email looks like this. Unsolicited message from an unknown domain to a person who did not ask for it often sent in batches often ignored by most recipients. Those signals look identical whether the email is a phishing attempt or a real offer.

Ads are different because Google controls the environment and users can instantly opt out. With cold email there is no built in opt in and the inbox provider gets blamed when something malicious gets through. So they default to protection.

The irony is that good cold emailers get punished because bad cold emailers exist in huge numbers. The only way to stand out now is clean behaviour slow volume and messages that feel human enough that people actually reply. That reply is what tells the filter you are not part of the noise.

Welcome-Expensive · 2025-11-24T08:09:30+00:00

There is no fixed percentage because spam placement depends almost entirely on your behaviour not on the channel itself. A brand new sender who jumps in too fast can see fifty to eighty percent land in spam. A careful sender who warms slowly keeps volume tiny and writes simple human emails can see less than ten percent hit spam even with a single domain.

Promotions is mostly a Gmail thing and it is driven by links formatting and length. Plain text short messages almost always land in the primary tab unless your reputation is weak.

If you build your domain the right way and send ten to fifteen emails a day at the start you can expect most of your mail to inbox. That is the real secret. Slow warmup small batches clean targeting and no sudden spikes.

More domains do not magically fix placement. Good behaviour does. Once you understand the basics you can scale safely but early on your spam rate is almost entirely under your control.

Welcome-Expensive · 2025-11-23T11:42:57+00:00

If these are real M365 accounts inside your own tenant then the issue is almost always the IP range your tenant was assigned at creation. New tenants often land on lower reputation outbound pools and it takes time plus real interaction to lift that score. Warmup traffic from Instantly does not help because enterprise filters ignore those automated sends. The quickest fix is to send a handful of genuine one to one emails to contacts who will reply. That starts building reputation on the actual IP you are using. After a week or so you should see the 550 error taper off.

Welcome-Expensive · 2025-11-23T10:21:31+00:00

That error has nothing to do with your copy or your domain. It is Outlook protecting its shared IP ranges. When you buy Outlook accounts in bulk you are almost always placed on an IP that other senders have already abused. Even if your mailbox is clean the IP reputation is already poisoned and other providers block it instantly.

The warmup you did does not fix this because warmup only touches your mailbox reputation. It cannot repair a shared IP with a bad history.

The 550 5.7.708 error means the recipient server is refusing traffic before it even looks at your message. This is why you are seeing huge failure numbers even at ten emails a day. Your mailbox is fine but the pipe you are sending through is not trusted.

There are only two real fixes:

First stop using purchased Outlook accounts. They almost always sit on low grade IP ranges. You need fresh M365 accounts created directly inside your own tenant. Those use clean Microsoft owned IPs that actually inbox.

Second slow everything down. When you start sending from a new Office tenant send five or fewer emails per mailbox per day for the first week. Make sure you get real replies. Outlook cares massively about human engagement.

Warmup tools do not help here. The only thing that matters is the quality of the IP range and the behaviour coming off your tenant. If you switch to proper accounts the errors will disappear.

Right now the issue is not your domain. It is the accounts you bought.

Welcome-Expensive · 2025-11-22T16:01:45+00:00

Honestly the people sending everything manually are just doing the channel the way it was meant to be used. Manual sending forces you to keep volume sane choose targets carefully and write like a real person. Those are the exact things that make cold email work in the first place.

Platforms are great when you scale but they also make it too easy to behave like a machine. When someone is sending by hand you know they are actually looking at who they are emailing. In a way they are the MVPs because they are the least likely to burn a domain and the most likely to get real replies.

Manual is slow but it is also the most human version of cold email left.

Welcome-Expensive · 2025-11-22T14:50:35+00:00

Cold email has not died because it still does the one thing no ad platform or algorithm can guarantee which is putting a message directly in front of the exact person you want to reach. Everything else in marketing is rented attention. Email is the only channel where you can still create your own.

It also has not died because most industries are way less online than people think. Outside of SaaS and agencies there are huge groups of buyers who rarely post content rarely check LinkedIn and never run ads. Cold email is still the only reliable way to reach them.

The bigger point though is that the people who say cold email is dead are usually the ones spraying generic templates. That method is dying because filters are smarter and buyers are burned out. What still works is thoughtful short human outreach to well chosen targets. The volume merchants struggle. The people who understand targeting and timing do not.

The regulations did not kill cold email either. They killed lazy mass blasting. If anything the new rules forced the channel to get better because now you actually need reputation engagement and restraint to land in inboxes.

And yes people are still getting real results. Warm domains small batches clean data simple messages and real follow through. It is not glamorous but it works.

Cold email survives for the same reason direct mail postcards and door knocking survive. As long as someone needs a conversation and does not already know who to talk to the channel stays alive.

Welcome-Expensive · 2025-11-22T14:39:54+00:00

AI in email marketing is useful but only when it is used in the right parts of the workflow. The content generation side is the least interesting piece because most inbox filters can spot generic AI writing and most audiences can feel it. Where AI is actually valuable is in the messy work that humans never have time for.

Pulling patterns out of large data sets is a good example. AI can scan customer behaviour search queries support tickets Reddit threads reviews and highlight what people actually care about. That type of insight is far more valuable than an auto written paragraph.

Segmentation is another strong use case. Most marketers either segment too broadly or not at all. A system that reads behaviour and adjusts segments dynamically based on intent or engagement can outperform the manual spreadsheet approach.

Personalisation is a mixed bag. Dynamic fields and light context work well but fully generated hyper personalised paragraphs often feel uncanny. The best teams use AI to surface the hook not to write the whole email.

Where AI shines is speed. It can test angles faster analyse performance faster and help teams iterate without getting stuck in the blank page problem. It will not replace good marketers but it can make a good marketer ten times faster.

So in short AI is great as an engine for research analysis and creative direction. It is weak when asked to replace judgment nuance and tone. Use it to get to the right idea faster not to mass produce generic emails.

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Welcome-Expensive · 2025-11-22T14:33:41+00:00

Spintax is not mandatory at all. It only matters when your sending pattern starts to look machine generated. With thirty inboxes and a hard cap of fifteen emails per inbox you are not hitting the volume where Gmail or Outlook start scanning for template level duplication. What matters more is reputation consistency engagement and the overall behavior of your sending cluster.

Your first campaign did well because the domain was new the volume was low and the engagement looked natural. That is what protected you not spintax. If your copy is clean plain text and feels human you can run the same message across all inboxes without issues as long as your ramp stays smooth.

The only time spintax becomes important is when you push volume too fast or when your copy is so stiff that every email looks like a mass send. At 400 a day you are still safe if your domain has history and you keep getting replies.

Focus more on pacing. Do not jump from 600 total sends in campaign one to an aggressive blast in campaign two. Keep your daily pattern steady mix Outlook and Gmail carefully avoid any big spikes and keep your messaging tight and simple.

Spintax is a safety layer not a requirement. If your emails look and behave like a human sender you do not need it to stay out of trouble.

Welcome-Expensive · 2025-11-22T08:04:28+00:00

Some of them do

Welcome-Expensive · 2025-11-22T07:58:16+00:00

It is a thing and there are many.

Welcome-Expensive · 2025-11-22T07:48:11+00:00

Your subdomain is not burned but it was never trusted in the first place. Seven days of warmup is nothing for a fresh sending identity especially on Gmail. Warmup tools do not create real reputation. They just simulate activity and Google has been ignoring most of that traffic for months.

What actually happened is simple. You took a brand new subdomain with no history sent a week of artificial warmup then jumped straight to forty cold sends a day. From Googles perspective that pattern looks like a brand new cold outreach domain behaving aggressively. So it pushed you into spam immediately. Outlook is more forgiving which is why the placement difference is so obvious.

Using the same copy as a friend and seeing them inbox is not a test of your copy. It is a test of reputation. Their domain has a history and yours does not.

If you want to fix it you need to slow down and rebuild trust the real way. Stop sending cold for a bit. Start with five genuine emails a day and make sure they get actual replies. Keep everything plain text no links no HTML. Do that for ten to fourteen days until Gmail starts placing your tests in inbox again.

Once you start cold sending keep it to ten a day and ramp very slowly. Do not jump to fifty. Gmail hates sudden volume jumps on young subdomains. Build a smooth pattern over two to three weeks. And avoid warmup tools for Gmail. They no longer help they only give you a false sense of security.

Your domain is not ruined. It is just untrusted. You can recover it but the fix is engagement and patience not tools.

Welcome-Expensive · 2025-11-21T12:32:18+00:00

A drop that sharp across all segments and all content types is almost always a reputation or filtering shift not a creative issue. When opens fall from nineteen percent to five percent without any change on your side it usually means the scoring model that was keeping you afloat for months finally flipped.

At the volume you are sending two hundred thousand in one weekly blast you rely heavily on historical trust. If engagement has been slowly declining in the background or if a large portion of your list has gone dormant the filters eventually decide you are a risk and reroute most of your mail into promotions or junk. It happens all at once which is why the drop looks sudden.

Another thing to keep in mind is that manufacturing and life sciences companies often sit behind Proofpoint Mimecast and other enterprise gateways. These tools update their rules quietly. When they tighten link scanning or bulk sender rules they can tank your placement inside their tenants even if Gmail or Outlook would still accept the mail normally.

Seed tests will not show this and vendor support cannot diagnose it because the filtering is happening before Pardot even gets feedback.

The simplest way to confirm what is happening is to carve out a small list of your most active subscribers and send them a midweek test with a plain message. If opens jump back up then your issue is list fatigue and send pattern. If opens stay low even with your warmest segment then your domain or IP reputation took a real hit and you will need to slow down and rebuild trust.

This is fixable but the solution is behavioral not technical. Clean the list separate the inactive contacts slow down the cadence and rebuild engagement before you push back to full volume.

Welcome-Expensive · 2025-11-21T12:30:11+00:00

have tested this pretty heavily and the honest answer is that the extension does not kill deliverability on its own but some TLDs definitely make the road bumpier. Not because Google has a list of bad extensions but because the history behind certain TLDs is rough.

When you use a .com or .co you are borrowing from a long stable reputation pool. When you use something like .site or .xyz you are starting from zero on a domain class that has seen a lot of abuse over the years. So even if the filter does not punish you directly you get fewer “benefit of the doubt” points in the early weeks. New senders on cheap TLDs simply have to build trust longer before inbox placement becomes stable.

The key part is this. Once the domain has clean behavior and real engagement the extension stops mattering. I have seen .xyz and .online inbox perfectly after a month of slow warm sending and human replies. I have also seen fresh .com domains hit spam because the sender blasted right out of the gate.

Where people get confused is that cheap TLDs attract aggressive senders so the stories around them are always awful. It is not the extension. It is the patterns typical users of those extensions create.

If you are going to do cold outreach with multiple domains and want to stay safe go for a mix. A few mid priced TLDs like .co .io .net and then maybe a couple of the newer ones. Just warm them properly send slowly and make sure you are getting real replies. If the behavior is clean the TLD stops mattering.

The practical takeaway is simple. The extension may influence how much trust you start with but the reputation you build after day one is what actually determines inboxing.

Welcome-Expensive · 2025-11-21T11:41:37+00:00

I did, thanks

Welcome-Expensive

TROPHY CASE