Settings
Configure your Colder account, monitor your sending domain, and review every feature you've built so far.
By default, campaigns are sent from outreach@colderos-2.polsia.app. Configure your own SMTP to send from a custom address. Credentials are encrypted and stored securely.
For Gmail, use an App Password β not your regular password.
routes/settings.js lines 11β36).
Drop in your Calendly, Cal.com, or SavvyCal link so leads can self-book a call without bouncing emails back and forth. Once set, a "π Book a Call" link surfaces in the menu on every page.
Works with Calendly, Cal.com, SavvyCal, or any public booking URL. Must be https://β¦.
Not set β leads who reply interested will need to email you to book.
Live status of the three DNS records receiving mail servers check before delivering your cold email. Colder runs the lookup through Google + Cloudflare DNS-over-HTTPS and persists the result.
New sending domains have no reputation with mailbox providers β Gmail and Outlook don't yet "trust" you, so cold emails land in spam until you earn it. Warmup is the deliberate process of building that trust by sending small, gradually increasing volumes of legitimate mail that recipients actually engage with.
A warmup service sends and replies to test emails on your behalf from a network of real inboxes, generating the engagement signals mailbox providers look for. Run one for 2β3 weeks before scaling outbound.
A coaching journey from signup to your first 10 cold emails β plain English, no SDR jargon. Each step drops you straight into the part of Colder that handles it.
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Verify your sending domain.
SPF, DKIM and DMARC must all pass or most of your emails will land in spam.
Open the Deliverability Wizard β -
Warm up for ~10 days.
Start at 10β20 emails a day and ramp gradually so Gmail and Outlook learn to trust you.
See Warmup Guide β -
Import a small list of leads.
Drop a CSV with 10β50 prospects into the upload box on your dashboard.
Go to CSV Import β -
Load the Day 1 / Day 3 / Day 7 follow-up sequence.
Three short emails, spaced out, sent automatically. The sequence auto-pauses the moment a prospect replies.
Open Dashboard β -
Watch your Reply Inbox.
Every reply lands in one place β read it, mark it, reply back without leaving Colder.
Open Replies β
Whenever a prospect replies to one of your cold emails, Colder captures it in the unified Inbox and auto-pauses any pending follow-ups for that thread.
Each campaign is a sequence β typically one initial email and several timed follow-ups. Colder schedules them, rate-limits sends, and pauses the rest of the sequence the moment a prospect replies.
A playbook is a sequence you've built for repeat use β the standard pattern: intro β nudge β breakup.
First-time setup, account questions, recovery β all here.
Run a live DNS check on your sending domain. Colder looks up your TXT records through Google and Cloudflare DNS-over-HTTPS and reports pass/warn/fail (see lib/deliverability.js).
The wizard supports a "what to paste into your DNS provider" snippet for Cloudflare, Namecheap, and GoDaddy once it finds a missing record.
Open Deliverability CheckPermanently delete your account and all associated data. This cannot be undone.
Email history, prospect lists, and SMTP credentials are permanently removed; pending outbound emails will not send.