Cold email deliverability
Email deliverability services that keep cold email out of spam
Our email deliverability services fix the technical and sending issues that push outreach into spam: DNS and authentication, warm-up, copy and reputation, checked by tools and by hand.
- SPF, DKIM and DMARC set up
- Warm-up for new mailboxes
- Ongoing reputation checks
What our email deliverability services cover
Six areas decide whether a cold email lands in the inbox. We work on all of them, not just the DNS records.
Domain configuration
Sending domains, MX, tracking domains and redirects set up so mailbox providers see a real, consistent sender.
SPF, DKIM and DMARC
Records written, published and aligned, then tested from the receiving side to confirm they pass.
Mailbox warm-up
New or idle mailboxes ramp up gradually so volume never jumps faster than reputation can follow.
Automatic and manual checks
Monitoring tools flag problems early, and a person reviews setup and placement tests before changes go live.
Email copy spam check
We review wording, formatting and links that trigger filters and suggest cleaner versions.
Reputation monitoring
Blacklists, bounce rates and complaint signals are watched so a dip is caught before it becomes a block.
Email authentication is no longer optional for deliverability
Since February 2024, Gmail and Yahoo require bulk senders (over 5,000 messages a day to their users) to have SPF, DKIM and DMARC in place. Smaller senders without them are filtered more harshly too.
Most broken setups we audit have the records, but they are wrong: an SPF record over the 10 DNS lookup limit, a DKIM key on the wrong selector, or a DMARC record that never reports anywhere.
- SPF kept under 10 DNS lookups
- DKIM signed with your own domain
- DMARC moved from none to quarantine when safe
- Reverse DNS and MX checked for every sending domain
Common email deliverability problems and what we change
An email deliverability audit starts from the symptom you see in your campaign numbers.
| What you notice | Usual cause | What we fix |
|---|---|---|
| Opens drop to near zero | Mail landing in spam or promotions | Authentication, tracking domain and copy |
| Bounce rate climbing | Old or unverified list | List verification before every send |
| One mailbox performs far worse | Mailbox reputation or volume spike | Warm-up reset and daily send limits |
| Messages rejected outright | Domain or IP on a blacklist | Delisting requests and root-cause fix |
| Replies slow after a new template | Spam-triggering wording or links | Copy rewrite and plain-text testing |
95%
average deliverability across managed inboxes
500+
cold email campaigns run
20M+
valid prospects generated
LeadCanal figures across client campaigns.
Who uses our cold email deliverability support
Lead generation agencies
Agencies sending for many clients keep each client's domains healthy and separate.
SaaS companies
Outbound teams get stable domain trust while they scale volume across new markets.
B2B service providers
Consultancies and marketing firms reach decision-makers without fighting the spam folder.
Recruitment firms
Recruiters keep candidate and hiring-manager emails visible across busy inboxes.
Sales teams
SDR teams get sending infrastructure that holds up as more reps and mailboxes are added.
Startups
Founders building their first outbound channel start with a clean foundation from day one.
How our email deliverability consulting works
Four steps, from the first audit to ongoing checks. You see the findings before we change anything.
- 1
Email deliverability audit
We check DNS, authentication, blacklists, sending volume and recent campaign numbers for every sending domain.
- 2
Fix the setup
Then we correct the records, tracking domains and send limits. DNS fixes usually go live within days once we have access.
- 3
Warm up and test
New or damaged mailboxes ramp up slowly. Meanwhile, placement tests show where your mail lands at Gmail and Outlook.
- 4
Monitor and report
After launch, we watch reputation, bounces and blacklists, and we send you a short report with the next changes.
What drives the cost of email deliverability services
We quote per project after the audit. These are the factors that change the quote.
| Factor | Why it matters |
|---|---|
| Number of domains and mailboxes | Each one needs its own records, warm-up and checks. |
| Current domain health | A blacklisted or burned domain needs more repair work than a new one. |
| Sending tools | Some platforms need extra setup for tracking domains and send limits. |
| One-time fix or ongoing support | Monitoring and monthly reporting add to a one-time setup. |
Ours include domain and DNS configuration, SPF, DKIM and DMARC setup, mailbox warm-up, automatic and manual placement checks, a spam review of your email copy, and ongoing sender reputation monitoring with blacklist checks.
Domain reputation, correct authentication, list quality, sending volume and the copy itself. A verified list and a slow volume ramp usually matter more than any single DNS record, but missing records will sink a campaign on their own.
Yes. We check your sending domains and IPs against the major blacklists, find out why a listing happened, fix the cause and request removal where the list allows it. Then we keep watching so a new listing is caught early.
Usually yes. We audit authentication, reputation and sending patterns, pause or slow the mailboxes that are hurting the domain, and rebuild volume gradually. Badly burned domains are sometimes better replaced.
No. Records can break when someone changes DNS, lists age and reputation moves with every send. We set things up once, then keep monitoring authentication, placement and reputation so problems are caught before they hurt a campaign.
We quote per project. Price depends on your number of domains and mailboxes, current domain health and whether you want ongoing monitoring.
Record fixes work within days. Reputation takes weeks of good sending, and new mailboxes need a few weeks of warm-up.
Further reading
- Google email sender guidelines Gmail requirements for authentication, spam rates and unsubscribe links.
- Yahoo sender best practices What Yahoo Mail expects from bulk and cold email senders.
- Google Postmaster Tools Free Gmail data on your domain reputation and spam rate.
Is your cold email landing in spam?
Tell us your sending domains and tools. We will audit them and send back a list of what to fix.