How to challenge assumptions in email subject lines

Cold Email mantra: Tell me something I don't know Want to get more responses? Tell your prospect something they don't know. If you pique my interest—you'll have my attention. Let's look at an example. The cold email in the image was sent to me recently. Here's my gripe with this email: - It's super generic - It's making a big promise that they can lower my credit card fees - It doesn't educate me at all ✅ The rewrite Subject line: hidden fees Hi Jason, I'm sure with clients like Gong, Zoom, and Rippling you're dealing with large transactions. You might be aware—but most consultants don't know about hidden charges behind the 3% credit card processing fees. Things like non-qualified downgrades, lost interchange credits on refunds, etc. account for 1/3 of these fees. We recently helped a consultant recoup close to $30k in hidden fees like these. Open to a quick chat to learn more? David ~~~ This definitely would have gotten a response from me. I have no clue about what those hidden fees might be. And it's obvious this is personalized for me and my industry. How to put this into action: - Look back at the "aha" moments for your prospects in sales calls - You might find goodies in competitive battlecards as well - Package up those non-obvious insights into short snippets - Create an email like the one above offering to share and educate Don't pitch how your solution is different. Speak to how the approach is different. You'll get way more responses using this than asking for a demo.

"I saw you liked Lenny's last post" isn't relevance. It's desperate. "I see you are passionate about B2B marketing" isn't rapport. It's stalking. "I am building a network of like-minded professionals" isn't networking. It's a lie. You think you are building a relationship, but you are just making noise. The team at Cannonball GTM calls this Email Cosplay. Most outbound emails fail for one reason. You think you are the main character. You think the prospect cares about your features, your impressive slide of logos, or that you went to the same college as them. They don't. They didn't wake up thinking about you. They woke up in a specific, painful situation. If you want to earn a reply in 2026, you need to follow the Cannonball Principles: 1/ 𝐒𝐭𝐨𝐩 𝐏𝐞𝐫𝐬𝐨𝐧𝐚𝐥𝐢𝐳𝐢𝐧𝐠 𝐭𝐨 𝐭𝐡𝐞 𝐏𝐞𝐫𝐬𝐨𝐧  Don't target people. Target conditions. Real personalization is: "We have seen this exact constraint in teams like yours, and it creates this predictable failure mode." 2/ 𝐒𝐭𝐨𝐩 𝐋𝐞𝐚𝐝𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐂𝐚𝐬𝐞 𝐒𝐭𝐮𝐝𝐢𝐞𝐬  No one cares about your logos. They care about peers who are in their exact same mess. Social proof isn't about brands they know. It's about problems they recognize. 3/ 𝐓𝐡𝐞 𝟑-𝐋𝐢𝐧𝐞 𝐑𝐮𝐥𝐞 If you need paragraphs, you don't understand the situation. Cut it down with a machete. Structure: Situation → Insight → Inquisition. 4/ 𝐓𝐡𝐞 "𝐈𝐧𝐪𝐮𝐢𝐬𝐢𝐭𝐢𝐨𝐧" 𝐂𝐓𝐀 Stop asking for "15 minutes." Ask for the truth. "Am I close?" or "Is it different on your side?" beats "Can we chat?" every time. Here is the only template you need (steal this): Subject: 2-5 words max (to the point) You are probably dealing with [Specific Situation] right now. Most teams get stuck because [Constraint / Tradeoff]. Am I close, or is it different on your side? That’s it. If you can’t say it that clearly, you don’t know their problem yet. Earn the reply. Then earn the revenue.

Your brain makes the "open or delete" decision in 500 milliseconds. Faster than a single heartbeat. Half a second. Before you consciously think "Should I open this?" your brain has already run a complete evaluation and made the call. Here's what happens in 500 milliseconds: Stage 1: Pattern Recognition Your brain instantly categorizes every subject line: → Work email (CEO update, team meeting) → To-do item (action required, deadline) → Shopping (order confirmation, sale alert) → Marketing (newsletter, promotion) → Personal (friend, family) The moment the brain files the email into "marketing," it applies a higher skepticism threshold. Subject lines must break the expected pattern within this category without triggering spam signals. Stage 2: Threat/Opportunity Assessment Your amygdala, the brain's threat detection system, evaluates whether this email signals danger or benefit. Generic warnings get ignored. Specific threats or opportunities trigger attention. Stage 3: Relevance The prefrontal cortex asks: "Does this matter to my current goals?" If the subject line doesn't signal direct relevance to the reader's role, situation, or concerns, the brain moves on. Stage 4: Frame Activation Specific language patterns activate conceptual frames that determine how the entire message will be interpreted. Security-focused language activates protective thinking. Achievement-focused language activates competitive thinking. Growth-focused language activates possibility thinking. The frame you activate in the subject line sets the stage for everything that follows. Stage 5: Decision The brain calculates: "Is opening this email worth the brain energy?" And makes the call: open, archive, or delete. What this means for you: Write for clarity first, psychological triggers second. Your subject line should clearly communicate who this is for and what value they'll get by opening. That's non-negotiable. But within that clarity, you can leverage these neurological mechanisms to increase the likelihood that your target audience, the people who will actually take action, decide to open. Break expectations within your category ❌ "Newsletter Marketing Tips #47" ✅ "The WordPress setting that tripled our traffic" Signal concrete consequences or opportunities ❌ "Don't make these email mistakes" ✅ "Is your email signature killing your credibility?" Use role or situation-specific language ❌ "Marketing automation tips" ✅ "CMOs: Your Q4 pipeline problem has a name" Make it instantly clear who this is for and why it matters now. The goal isn't to trick people into opening. The goal is to make it immediately clear to your target audience - the people who will actually click, reply, or convert - that opening this email serves their interests. I'm breaking down subject lines in this week's edition of the EmailOS newsletter. Have you subscribed yet? Subscribe: https://lnkd.in/g9h83HNV

This one tweak will dramatically increase your chances of a reporter actually opening your email. Early in my career, I sent a lot of pitches that went nowhere. I assumed the problem was the pitch itself, so I kept rewriting the body and barely touched the subject line. Eventually I did something that felt a little risky for someone a few years into the job and called a handful of reporters who had ignored me and asked them straight up why. One told me she decides whether to open an email within seconds, based on the subject line alone and she doesn't get to the body if the subject line doesn't earn it. Another said most pitches feel like the sender never read a single thing she'd written. That's when I started doing something simple: putting "In response to [Article Name]" directly in the subject line. It works for two reasons. First, it proves you actually read their work instead of mass-blasting your list. Second, it shows you're building on the exact kind of story they're already telling, not asking them to cover something brand new. Here's what that looks like in practice. Say a reporter just published an article headlined "Why Telehealth Adoption Is Stalling Among Older Patients." If you're pitching a Series B funded health-tech company with relevant data, your subject line becomes: Subject: In response to "Why Telehealth Adoption Is Stalling Among Older Patients" Compare that to a generic subject line like "Introducing [Company]: Series B Funded Health-Tech Company." One tells the reporter you read their work and have something relevant to add and the other tells them you found their email address. The subject line is what gets the email opened in the first place and everything else in the pitch only matters once someone's actually inside the email. My response rate after I started doing this wasn't even comparable. Most people never ask a reporter why they got ignored, because they don't want the honest answer. I get it but that one conversation early in my career changed how I pitch more than anything since. Have you ever changed one small thing and seen your response rate jump?

"Kim, would it be a bad idea if we hopped on call to see how XYZ can help #samsales?" <--this is a popular sales method, but should you use it? Chris Voss started this movement around the "no-oriented" question, but this post isn't about if you should use that, it's about this simple concept: If everyone is doing it, it no longer matters because it becomes noise that is equated with sales gimmicks. And that's precisely what has happened with this CTA. I see it in about 50% of my sales emails, which means your buyers do too. It's important that you put yourself in your buyer's seat. Check your own inbox, your spam folder, and sit in on sales calls where your company is the buyer. Basically, you need to be studying your competition. There's so much value here to learn by doing this, but one of which is catching early if something you do is becoming common practice. And then changing it. We've experienced this even at #samsales. Our OG advice was around using the plus sign in your subject line. It's unique and allows you to connect multiple ideas succinctly. But then LLMs picked up our tactic as advice, it became a trend, and may not be as useful as it once was. The core logic behind why we use the + sign still holds, but we can execute it with other symbols and other ideas that retain the core framework of what we're trying to accomplish in a subject line, but still stand out as different. The key is: know what the market doing and how you can (continue to) be different.

If your email subject lines are lame, no one is going to read your emails. You can have the best content in the world in your emails, but you need people to open them. Take time to craft compelling email subject lines so you intrigue your audience. 5 Tips for Crafting Subject Lines People Actually Open: 1. Spark curiosity, don’t give it all away. If your subject line answers the whole email, there’s no reason to click. Meh: “Our Q2 Report Is Attached” Better: “What we discovered in Q2 surprised us” 2. Talk to a real person, not a robot. Skip the corporate-speak and write like you’re texting your smartest client. Meh: “Optimize Your Portfolio With These Asset Allocation Strategies” Better: “Are you making this retirement mistake?” 3. Highlight a clear benefit, not a vague concept. If your subject line sounds like a boring newsletter, your prospects will skip it. Show them exactly what they’ll gain by opening. Meh: “Financial Planning Services Overview” Better: “How to know if your retirement plan has a hidden gap” 4. Call out a belief or challenge it. People love to open emails that poke at something they thought they knew. Meh: “Understanding Your Retirement Options” Better: “Already maxing your 401(k)? That might not be enough” 5. Keep it short and scannable. Mobile screens chop long subject lines in half. Aim for 6-8 words when possible. First 30–50 characters = prime real estate. There’s no perfect formula, but strong subject lines make a big difference. What tricks have helped you boost open rates?

The email Subject field is a TRAP! Break some rules to get what you need: Make it a SUMMARY — not a title — and write it LAST. (Personally, I call it the TL;DR field.) Use the Subject field more effectively to simultaneously: 1. Grab your recipient's attention. 2. Spoon-feed your bottom line to them. 3. Clarify whether & how you want them to react. More convention-busting tips: → Include a verb in command form.  If you want the recipient to act, tell them how! → Or ask a question, and end the subject with a ? → Replying to a badly named thread? Edit the subject! → Maximise context info to distinguish it from similar items. When your recipient peeks at their inbox, one glance should be enough to get your message. Don't make them "read it later" (never). Examples: ❌ Draft Agreement ✅ ABC Ltd. / Draft Agreement - please edit or comment ❌ Trip Expenses ✅ DEF conference / trip expenses - please approve ❌ Alice Smith's CV ✅ Alice Smith's CV looks good: invite for interview  ❌ Proposal ✅ Proposal to reduce costs - what is next step?   ❌ Jill / Itzy Meeting ✅ Thank you for your helpful advice on XYZ! ❌ Bob / Itzy Meeting ✅ Glad to have met you; let's stay in touch ❌ PQR feature ✅ PQR feature - expected delivery date? ❌ Jack Bloggs - Reference ✅ Jack Bloggs - highly recommended! ❌ Decision on XYZ Project ✅ XYZ Project - It's approved! P.S. What excellent (or terrible) subject lines have you seen? What email-related pet peeves do you have?

𝗟𝗮𝘀𝘁 𝘄𝗲𝗲𝗸, 𝗮 𝗰𝗹𝗶𝗲𝗻𝘁 𝗮𝘀𝗸𝗲𝗱 𝗺𝗲 𝘁𝗼 𝗿𝗲𝘃𝗶𝗲𝘄 𝘁𝗵𝗲𝗶𝗿 𝘀𝗮𝗹𝗲𝘀 𝘁𝗲𝗮𝗺'𝘀 𝗲𝗺𝗮𝗶𝗹 𝘁𝗲𝗺𝗽𝗹𝗮𝘁𝗲𝘀 𝗮𝗳𝘁𝗲𝗿 𝘀𝗲𝗲𝗶𝗻𝗴 𝘁𝗵𝗲𝗶𝗿 𝗿𝗲𝘀𝗽𝗼𝗻𝘀𝗲 𝗿𝗮𝘁𝗲𝘀 𝗽𝗹𝘂𝗺𝗺𝗲𝘁 𝗯𝗲𝗹𝗼𝘄 𝟭%. "It's just the market," they insisted. "Nobody answers emails anymore." I wasn't convinced. So I pulled up their templates alongside thousands of others I've analyzed over the years, and the patterns were immediately clear. The emails that consistently get responses in today's crowded inboxes aren't the ones with the catchiest subject lines or the most persistent follow-ups. They're the ones that feel like they were written by a human being who's done their homework. Looking through my swipe file of emails with 30%+ response rates, I found myself returning to five core approaches that just work: I call the first one "The Pattern Interrupt" – where instead of saying what everyone else says, you notice something specific and ask a genuine question about it: "I noticed you recently shifted your messaging from security-focused to efficiency-focused. I'm curious what prompted that change?" Then there's what I call "The Contrarian Insight" – where you respectfully challenge conventional wisdom with actual data: "While analyzing conversion patterns across 50 companies in your industry, we discovered something that contradicts the common belief about [specific topic]. I'd be happy to share what we found if it might be useful." My personal favorite is "The Genuine Connection" – where you reference something they've created and add actual value to the conversation: "Your recent post about sales enablement challenges really resonated because I've been wrestling with the same issues. Have you considered [thoughtful question related to their perspective]?" For every client I work with, we build a custom "Message Testing Framework" where we develop variations of these templates specifically for their market, then test them with small batches (about 20-50 prospects each). 𝘽𝙪𝙩 𝙝𝙚𝙧𝙚'𝙨 𝙩𝙝𝙚 𝙘𝙧𝙞𝙩𝙞𝙘𝙖𝙡 𝙥𝙖𝙧𝙩 𝙢𝙤𝙨𝙩 𝙥𝙚𝙤𝙥𝙡𝙚 𝙢𝙞𝙨𝙨 – 𝙬𝙚 𝙙𝙤𝙣'𝙩 𝙟𝙪𝙨𝙩 𝙩𝙧𝙖𝙘𝙠 𝙤𝙥𝙚𝙣 𝙖𝙣𝙙 𝙧𝙚𝙨𝙥𝙤𝙣𝙨𝙚 𝙧𝙖𝙩𝙚𝙨. 𝙒𝙚 𝙘𝙖𝙧𝙚𝙛𝙪𝙡𝙡𝙮 𝙚𝙫𝙖𝙡𝙪𝙖𝙩𝙚 𝙩𝙝𝙚 𝙦𝙪𝙖𝙡𝙞𝙩𝙮 𝙤𝙛 𝙧𝙚𝙨𝙥𝙤𝙣𝙨𝙚𝙨. 𝘼 𝙩𝙚𝙢𝙥𝙡𝙖𝙩𝙚 𝙩𝙝𝙖𝙩 𝙜𝙚𝙩𝙨 𝙦𝙪𝙞𝙘𝙠 𝙗𝙧𝙪𝙨𝙝-𝙤𝙛𝙛𝙨 𝙞𝙨𝙣'𝙩 𝙨𝙪𝙘𝙘𝙚𝙨𝙨𝙛𝙪𝙡 𝙚𝙫𝙚𝙣 𝙞𝙛 𝙩𝙝𝙚 𝙧𝙚𝙨𝙥𝙤𝙣𝙨𝙚 𝙧𝙖𝙩𝙚 𝙡𝙤𝙤𝙠𝙨 𝙜𝙤𝙤𝙙 𝙤𝙣 𝙥𝙖𝙥𝙚𝙧. What consistently works across industries is specificity that shows you've done homework, offering value before asking for anything, and genuine curiosity rather than formulaic personalization. And brevity matters – almost every high-performing email I've analyzed is five sentences or fewer. Which of these approaches would make YOU respond? I'm genuinely curious. #SalesEmails #ProspectingTemplates #OutboundSales

I A/B tested 50 fundraising email subject lines. The vague ones ("A special message inside") averaged a 12% open rate. The specific ones ("Your gift can provide 10 meals") averaged a 31% open rate. Specificity isn't just a tactic—it's a strategy: • Subject lines with numbers are more likely to be opened. • Including a donor's first name can increase opens by. • Curiosity is good, but clarity is better. "A question for you" underperforms "Can you help one more student today?" by nearly 2-to-1. One hunger-relief nonprofit changed their subject line from "Help us reach our goal" to "We're 2,000 meals away from our goal." They hit their target 3 days early. The most important sentence in your email isn't in the body—it's the subject line that gets it opened. What's the best-performing subject line you've ever used?

Leaders keep asking me lately: How can I communicate more clearly — especially over email? One of the biggest shifts? Lead with your headline. In journalism, it’s called “don’t bury the lead.” In corporate life, it means putting the most important information first. ✔ The subject line IS the message. ✔ The first line IS the call to action. ✔ It should tell them what to know, decide, or do. Quick tests for your next subject line: If they read nothing else, do they still get the point? Would YOU want to open it — and act on it? Can it be found next week in search? Skip vague labels like: • “Final Version” • “Updated Document” • “Important Information” Instead, write: • “Q4 Budget: Final Approval Needed by Friday” • “Workshop Slides: Ready for Review” It’s a skill — and it takes reps. I’ve been writing for years, and I still catch myself hiding the headline in paragraph 4. What’s the best (or worst) email subject line you’ve seen lately?