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Preview emails before they send

Template campaigns now have an email preview that renders your message with real contact data before launch.

Template campaigns now let you see exactly what your contacts will see before a single email leaves the outbox. The preview renders your full sequence with real contact data — first name, company, every custom field you've used as a merge tag — so you can catch problems at the template level rather than discovering them in a reply that says your name tag broke.

See exactly what your contacts will see

Open the preview from the campaign builder, pick a contact on the left, and the entire sequence renders with their real data. Flip through multiple contacts to spot-check personalization at scale.

How to use it

  1. Open a template campaign's Workflow tab and hit Preview (or press ⇧P).
  2. Pick a contact on the left to render every step in the sequence with their real data — first name, company, any custom field you've used as a merge tag.
  3. Before your contact list is populated, sample data fills in so you can check layout and copy even during early setup.
  4. Flip through multiple contacts to spot-check personalization at scale — a field that renders perfectly for one contact may be blank or malformed for another.
  5. Use Send Test Email to deliver a real copy to your own inbox and see exactly what the recipient's email client will render.

Why it matters for campaign quality

A broken merge field in email one of a five-step sequence is the kind of mistake that's obvious in hindsight and invisible in a static editor. Without a live preview, the only way to catch it was to send a test email to yourself for each contact — or, more commonly, not catch it at all until a prospect received a message that opened with Hi {{first_name}},.

Personalization is one of the highest-leverage variables in cold outreach. An opener that uses a prospect's real first name and company outperforms a generic greeting by a meaningful margin — but only when the merge field actually renders. A garbled first name in the opener kills credibility before the prospect reads past line one, and no amount of well-crafted body copy recovers from that first impression.

The ability to flip through multiple contacts in the preview also reveals something a single test email cannot: inconsistency across your list. Contacts with incomplete data, unexpected capitalization, or fields that don't match the field name in your template show up immediately. Catching those before launch means every email in the campaign goes out clean.

Availability

Email preview is available on all template campaigns. AI Autopilot campaigns are not affected — the AI drafts per-contact at send time and the existing approval flow handles review there.

Toutes les nouveautés

Une prospection qui continue quand vous vous déconnectez.Leads, emails, relances et réponses, gérés.

Connectez des boîtes illimitées et laissez les agents IA trouver les leads, écrire chaque email et relancer. Ou envoyez vos propres modèles en mode manuel. À partir de $29/mois.

$1 pour 3 jours · Annulez quand vous voulez · Sans engagement

Installer avec l'IA

Votre agent de code installe la CLI et les skills FirstSales pour vous.

Prompt pour Claude Code

I'm setting up FirstSales (https://firstsales.io), an AI outbound sales platform: campaigns, contacts, a reply inbox, deliverability and lead signals. Help me get my workspace sending real, good emails end to end, from Claude Code.

Read these first so you know how FirstSales works:
- Developer docs and API: https://developer.firstsales.io
- CLI: https://www.npmjs.com/package/@firstsales.io/cli
- Skills for coding agents: https://github.com/firstsalesio/firstsales-skills (read README.md and GUIDE.md)

Setup
1. Install the CLI: npm install -g @firstsales.io/cli
2. Install the FirstSales skills:
   claude plugin marketplace add firstsalesio/firstsales-skills
   claude plugin install firstsales@firstsales
3. Ask me if I already have a FirstSales account. If not, send me to https://app.firstsales.io to sign up.
4. Ask me to create an API key under Settings → API → API Keys, with only the scopes we need.
   Never ask me to paste the key into this chat. Tell me to run this in my own terminal, so the key stays hidden:
   read -rs FS_KEY && firstsales auth login --api-key "$FS_KEY"; unset FS_KEY
5. Run `firstsales whoami` and tell me which workspace and organisation we are connected to.

Then ask me about my business: what I sell, who I sell to (roles, company size, countries), my best customers, and what I use today for outbound (tools, lists, mailboxes). Walk me through:
1. Teaching FirstSales my business: website, offer, proof points and case studies in the knowledge base, so the AI writes like someone who knows the product.
2. Connecting my sending mailboxes and checking my sending domain: SPF, DKIM, DMARC and warm-up. If anything is unhealthy, tell me the exact DNS record to add.
3. Bringing in contacts: import my CSV or CRM export into a clean list, remove duplicates and bad emails, and block domains I must never email (customers, competitors, my own).
4. Building my first campaign: the right list, senders, steps and timing. Write the sequence with me, show me the drafts, and do not launch until I say yes.
5. Setting up Signals if it fits: find people engaging with LinkedIn posts about topics my buyers care about, and turn them into leads.
6. Inviting my team and giving each person the right access.

Once campaigns run, show me how to work the reply inbox from here: which replies need an answer, draft responses in my voice, and move good conversations into deals. If I use Cal.com, connect it so follow-ups can offer my booking link (not the first email).

Throughout, as you learn about my business, proactively suggest and help create:
- Reply templates for the questions and objections my prospects are likely to raise, based on my product, site and codebase if you can see them.
- Campaign ideas and segments worth testing, with the reason for each.

Safety rules:
- Show every change as a dry run (--dry-run) first and wait for my yes. Never send emails, launch campaigns or delete anything without my yes.
- Tell me before anything that spends credits, and how many.

Be opinionated. If the docs give a sensible default, just use it. Don't make me choose between five options.