email deliverability agency
Email deliverability for ecommerce brands.
Email deliverability is whether your emails reach the inbox rather than the spam folder or the promotions tab. Inferno Emails fixes it for ecommerce brands by configuring SPF, DKIM and DMARC, repairing sender reputation, cleaning the list and monitoring inbox placement.
Deliverability is the least glamorous part of email and the one that quietly decides whether any of the rest of it matters. If Gmail has decided you are promotional noise, your best campaign of the year lands in a tab nobody opens. We fix the technical foundation first, then keep it clean.
Book your free audit30 minutes, no obligation, and the findings are yours to keep.
What we take care of.
The best offer in the world earns nothing from the spam folder. Authentication, reputation and list hygiene, handled.
- SPF, DKIM and DMARC configured and verified
- Dedicated or shared sending decision, made on your actual volume
- Sender reputation diagnosis and warm-up plan where needed
- List hygiene: suppression of hard bounces, spam traps and long-dead contacts
- Sunset and re-engagement flows so dead weight stops dragging you down
- Ongoing inbox placement and complaint-rate monitoring
Emails that reach the inbox, so campaign performance reflects the offer rather than the filter.
Is this the right fit?
Who this is for
- Ecommerce brands with consistent monthly revenue and an existing list
- Klaviyo already installed, and visibly under-used
- A brand with a real point of view that templates are flattening
- Teams who want one partner owning the channel, not four suppliers
- Founders who will look at an attributed-revenue number honestly
Who this is not for
- Pre-revenue stores with no list to email yet
- Anyone looking for a one-off template pack and no strategy
- Brands whose core problem is the product or the offer, not the channel
- Businesses that want to buy or scrape a list, which we will not send to
- Anyone who needs a guaranteed revenue figure promised before the audit
The account is the evidence.
This is a whole-channel client result, not a claim that any single service produced it.
4 Sep - 4 Nov 2023
$477,929 attributed to email
47.96% of total revenue
Total store revenue up 47% against the previous period. Campaigns drove $316,870; flows drove $161,058.
See all three Klaviyo account screenshots
Results vary by brand, list size, category and offer. Individual accounts are not an average or a guarantee.
Questions about email deliverability.
How do I know if I have a deliverability problem?
The usual signs are open rates falling steadily over months, a widening gap between delivered and opened, complaint rates above 0.1%, or revenue dropping while send volume stays flat. Our free audit checks your authentication records and flags these.
How long does it take to fix a damaged sender reputation?
Authentication problems are fixed in days. Reputation repair is slower: typically four to eight weeks of disciplined sending to engaged segments while the damaged history ages out. Anyone promising a fix in a week is guessing.
Will cleaning my list hurt my revenue?
Suppressing unengaged contacts almost always raises revenue, not lowers it. Those contacts were not buying; they were dragging your reputation down and taking the engaged ones with them into the promotions tab.
How much does deliverability repair cost?
It depends on how much repair the account needs, from an authentication fix that takes days to a full reputation rebuild that typically takes four to eight weeks, so we quote after the free audit rather than a flat fee. The audit itself is free and has no obligation attached.
What access do you need to fix deliverability?
Read-only access to your Klaviyo account is fastest, since we need to see your authentication records, complaint rates and list health before changing anything. If you would rather not grant access, screenshots of those same three things get us most of the way there.
Related reading.
The rest of the channel.
Find out what your list is actually worth.
We review your flows, list health, authentication records and last ninety days of performance, then send back what we found.
30 minutes, no obligation, and the findings are yours to keep either way.