When email breaks at scale, the instinct is to switch providers. It rarely helps, because the problem usually isn't the provider. It's the reputation you built, the DNS you set up years ago, or the way you send. Consulting is the work of diagnosing that honestly and fixing it in an order that actually holds.
What we audit
A deliverability audit starts with the boring, high-impact things: is your authentication correct and aligned, are your sending domains configured properly, what does your bounce and complaint history look like, and how are you pacing volume. Most audits surface at least one thing the team didn't know was broken, a DKIM key that never rotated, a domain sending faster than its reputation can support, a suppression list that isn't being honoured. We rank findings by impact so you fix the thing that matters before the thing that's merely tidy.
Migration without losing your reputation
Moving providers is where a lot of good sending reputations die. Repoint DNS, blast your full volume through a cold path, and mailbox providers treat you like a brand-new unknown sender overnight. A proper migration warms the new path, keeps continuity where it can, and cuts over in stages. The goal is that your users never notice the switch happened.
Warmup and reputation recovery
Two related but different jobs. Warmup is building reputation from zero on a new domain or IP by ramping volume the way mailbox providers expect. Recovery is repairing reputation that's already damaged, which is slower and needs discipline: find the cause, stop it, then rebuild trust with clean sending over weeks. Neither has a shortcut. What consulting gives you is the correct sequence and someone managing the ramp so you don't re-break it halfway through.
Architecture review
For teams sending real volume, how you've structured sending matters as much as the tooling. Are transactional and marketing streams separated so one can't poison the other? Are you on the right mix of shared and dedicated IPs for your volume? Is your domain strategy set up so a marketing misstep can't take down your account-critical mail? An architecture review answers these before they become an incident.
How to start
Run the free deliverability check first. It's automated, takes seconds, and often surfaces the obvious wins on its own. If your situation is deeper, a bad reputation, a stalled migration, mail that goes to spam for reasons the check can't see, that's where a real engagement starts. Bring the check results and we'll go from there.
Common questions
What does email infrastructure consulting involve?
A structured look at how your email actually gets sent and why it does or doesn't land. That usually covers a deliverability audit, a review of your sending architecture, your authentication setup, your domain and IP reputation, and your bounce and complaint handling. The output is a plain-language picture of what's wrong and what to fix first, ranked by impact, not a 40-page PDF nobody reads.
When should I bring in a consultant instead of just switching providers?
When you've already switched providers and the problem followed you. Deliverability problems are usually about reputation, authentication, and sending behaviour, not the logo on your dashboard. If your mail went to spam on SendGrid and still goes to spam somewhere else, the issue is in your setup or your sending patterns. That's what an audit finds. Switching providers without fixing the root cause just moves the problem.
Can you help recover a domain that already has a bad reputation?
Yes, though recovery takes patience, not a switch you flip. Reputation recovery means identifying what damaged it (a bad list, a spike, a spam-trap hit), stopping the bleeding, and then rebuilding sending slowly with clean traffic so mailbox providers relearn to trust you. There's no overnight fix, and anyone who promises one is guessing. What we can do is give you the correct sequence and manage the ramp.
Do you help with migrations from another provider?
That's one of the most common engagements. Moving from SendGrid, Amazon SES, Mailgun, or a local provider without tanking your deliverability takes planning: you don't just repoint DNS and hope. You warm the new path, keep reputation continuity, and cut over in a controlled way. A rushed migration can undo years of good sending reputation in a week.
Is this only useful if I move to sendmsg.io?
No. The audit and recommendations stand on their own. Plenty of the fixes are things you implement on your existing setup: DNS records, list hygiene, sending-pattern changes. We'll tell you honestly whether your current stack is the problem or whether it's how it's being used. If moving makes sense we'll say so; if it doesn't, we'll say that too.
Related
- Email Deliverability Audit: the standalone audit engagement
- Email Migration Service: moving providers without the reputation hit
- Email Reputation Management: the ongoing managed version
- Managed Email Service: when you want the whole layer run for you
- Email Deliverability Service: the productised layer