Built for security vendors, MSSPs & security SaaS
The AI cold email engine that books security demos with the buyers who scrutinize you most
CISOs and security leaders flag the slightest red flag — a failed SPF check, a generic pitch, a spoofable domain. FirstSales authenticates your sending, personalizes every message to their stack, and follows up autonomously until the demo is booked.
- 87% primary-inbox placement vs the 60-70% most security vendors settle for
- SPF, DKIM, and DMARC done right — so a security buyer trusts the sender
- AI writes to each prospect's threat landscape, not a generic security blast
- Launch in 8 minutes, unlimited mailboxes, from $29/mo
No credit card required · Cancel anytime · Setup in 8 minutes
Why security teams switch
Outreach a CISO will trust, not flag
Security buyers judge your email the way they judge a vendor: is it authenticated, is it relevant, does it follow through? FirstSales nails all three automatically — which matters double when you're selling security.
Authenticated, inbox-landing sender
21-day AI warm-up, free list cleaning, and SPF/DKIM/DMARC set up correctly push you to 87% inbox placement — and prove your domain is legitimate to a buyer who checks the headers.
Speaks the buyer's threat model
The AI writes from a knowledge base of your product, ICP, and proof points, so every email speaks to that prospect's stack and risks — not a one-size-fits-all security pitch that gets deleted.
Books demos on autopilot
It follows up until the security buyer replies or books, then routes the reply to you. You wake up to a calendar ofqualified security demos.
How it works for security vendors
From cold list to booked security demo in three steps
Point FirstSales at your security ICP and let the AI run the outbound motion your sales team never has time to do right.
Connect your mailboxes and warm up
Plug in your sending accounts and let the 21-day AI warm-up build sender reputation with real conversations before a single CISO is touched — so your first impression isn't a spam-folder no-show.
Unlimited Google and SMTP/IMAP mailboxes Scale sending volume by adding mailboxes, not by negotiating higher per-seat limits.
21-day automated reputation warm-up Real message threads build inbox trust before your CISO list receives a single cold email.
Guided SPF, DKIM, and DMARC setup Authentication is configured and verified so a security buyer's header check returns clean.
Feed the AI your security positioning
Drop in your positioning, capabilities, ICP, and proof points. The AI uses your knowledge base to write outreach that speaks to each prospect's threat landscape — so it sounds like your best security AE, not a template.
Per-workspace product knowledge base Your detection capabilities, integrations, and win stories ground every email the AI writes.
AI personalization from real prospect data Each CISO receives a message tied to their stack, sector, and known threat exposure.
On-brand copy at full sending volume Technical precision and vendor credibility carry through at scale, not just in one-off emails.
Let it send, follow up, and book
FirstSales sends, monitors deliverability, and follows up autonomously until the security buyer replies or books a demo — then hands the conversation to you in a unified inbox.
Autonomous multi-step follow-up Security buyers move slowly; the sequence keeps pinging on schedule without manual reminders.
Real-time deliverability monitoring Placement is tracked per domain so a reputation dip is caught before it reaches your ICP.
Unified inbox with reply handling CISO replies and demo bookings surface in one view, ready for your AE to continue.
Proof, not promises
Founders who let the AI run the outbound
Teams use FirstSales to run the cold outreach that used to eat their whole week, and get the replies — and booked demos — to show for it.
If you are looking to fix your sales pipeline, you should definitely try. @iuditg is the OG in cold emailing, and the product they have built- is futuristic and screams a deep understanding of email marketing. + My open rate has increased drastically, + The UI and UX are easy to understand, even for a beginner like me.
What you get
Everything a security vendor needs to run cold email that technical buyers trust
Deliverability, AI writing, and automation in one platform — so you don't stitch together a verifier, a warm-up tool, and a sequencer just to get a CISO to open your email.
Land in the inbox, and prove you're legit
Warm-up, free cleaning, authentication, and live monitoring protect every domain so your security outreach stays in the primary inbox — and passes the header check a security buyer actually runs.
21-day smart warm-up Sending ramps on a curve that conditions inbox providers before your CISO campaign fires.
Free automated list cleaning Invalid and risky addresses are scrubbed so your bounce rate stays well below provider thresholds.
Real-time inbox monitoring Placement results are visible per domain so you catch a deliverability regression early.
Personalization that earns a technical reply
The AI researches each prospect and writes from your knowledge base, so a 5,000-contact security campaign reads like 5,000 one-to-one emails written to that buyer's environment.
Knowledge-base-grounded copy Your product capabilities and customer wins anchor each email in concrete security value.
Per-prospect personalization The AI references each buyer's sector, company size, and publicly known threat exposure.
Your voice, your positioning Copy reflects your brand's technical authority, not a generic vendor tone.
Follow-up that never forgets
Multi-step sequences with smart stop-on-reply mean every security buyer gets the follow-ups that actually book demos — without your team chasing a slow, methodical buyer by hand.
Autonomous follow-up sequences Multi-touch follow-ups run on schedule so no methodical security buyer slips through the gap.
Smart stop-on-reply The sequence stops the instant a CISO replies, preventing tone-deaf double-sends.
Books demos around the clock Calendar slots fill overnight and on weekends while your sales team is offline.
Before & after
What changes when security outbound runs itself
The old way burns domains and credibility with the one audience that notices. The FirstSales way fills the pipeline while your team focuses on demos and closing.
- Emails land in spam
- Cold sends to security teams hit promotions or spam, and your pipeline is capped before it starts.
- Sender looks suspicious
- Missing or broken SPF/DKIM/DMARC makes a security buyer distrust the very vendor selling them trust.
- Generic security pitch
- Mass blasts ignore the prospect's stack and threat model, so reply rates from technical buyers flatline.
- Follow-ups slip
- Security buyers move slowly; busy reps forget to follow up, and most of the pipeline dies in the gap.
- Stitched-together tools
- A verifier here, a warm-up tool there, a sequencer somewhere else — and a bill to match.
- Expensive SDRs
- A human SDR costs $5k+/mo with a 3-month ramp before a single booked security demo.
- 87% inbox placement
- Warm-up, cleaning, and authentication keep you in the primary inbox at scale.
- Trusted, authenticated sender
- SPF, DKIM, and DMARC set up right — your domain passes the check a security buyer runs.
- AI-personalized at scale
- Every email is written from your knowledge base to that prospect's environment and risks.
- Autonomous follow-up
- The AI follows up until a reply or a booked demo — nothing slips, even with a slow buyer.
- One platform
- Deliverability, AI, and automation in a single tool from $29/mo.
- No ramp, no salary
- Launch in 8 minutes and run an SDR's motion for a fraction of the cost.
How we compare
FirstSales vs the tools security teams usually stack
Most security vendors duct-tape a sending tool to a verifier and a warm-up service — and still skip the authentication a buyer checks. FirstSales does all of it, and writes the emails too.
| What matters | FirstSales | Other tools |
|---|---|---|
| Primary-inbox placement | 87% average | 60-70%, no guardrails |
| SPF / DKIM / DMARC guidance | Included | Left to you |
| 21-day AI warm-up | Included | Paid add-on or none |
| Free list cleaning | Included | Pay a separate verifier |
| AI writes from your knowledge base | Included | Static templates |
| Autonomous follow-up to booked demo | Included | Manual sequences |
| Unlimited mailboxes | Included | Per-mailbox pricing |
| Entry price | $29/mo | $80-200+/mo stacked |
Fill your security demo pipeline on autopilot
Let the AI authenticate your domains, write to each buyer's threat model, and follow up until the demo is booked. Start free in 8 minutes.
Start freeNo credit card required · Cancel anytime
FAQs
Everything about cold email for Cybersecurity
Can't find what you're looking for? Contact our customer support team
General
Deliverability
Can't find what you're looking for? Contact our customer support team