Sendmarc will do the work for you. You will not find out what it costs on their website.
Both of these are white-label platforms built with MSPs in mind, and both cover the full authentication stack with hosted records. What splits them is the buying model — published per-domain economics against a quote for every deal — and how much of the work you want done for you, not by you.
Free plan: 2 domains, no card, no expiry · Trial: card required, billed on day 15 unless you cancel · 14-day money-back on new paid plans
You cannot put a margin on a number you have to phone for.
Their only published rung is a 21-day trial for one domain. Every paid tier above it is quote-only, which for a partner is not a preference but a workflow problem.
Every Sendmarc paid tier is quote-only — Premium, the compliance plan, Enterprise, Government and MSP. There is no published price above the trial, so there is nothing to plot here. Ours are on the pricing page at every rung.
List prices, monthly, at the stated domain count. Plans are not like for like: see the matrix for what each includes.
Four things, not thirty-seven rows.
Both products monitor the full authentication stack, host records and offer a multi-tenant white-label console. Listing those as wins would be padding. These are the differences that matter here.
Published per-domain economics versus a quote per deal
For an MSP this is not a preference, it is a workflow. You cannot put a margin on a number you have to phone for, and you cannot let a customer self-serve onto a quote.
ARC monitoring and the policy simulator
ARC separates a forwarded message from a spoof; the simulator models a move to p=reject against last month’s real traffic. Neither appears in their public materials.
Who does the rollout work
Sendmarc is a managed service: their team drives the client to enforcement, and the price of that is inside a quote. We are a platform with a rollout engine your technician drives — and if you would rather not staff it, Managed DMARC and the enforcement sprint are on the pricing page at published per-domain rates. Either way you can see the number before the call.
Per domain, not per client
Ours bills every domain you enroll from the day you add it, whether or not it is sending mail. There is no per-domain removal yet, but deleting a departed client's organization drops their domains from the count within a day. Their commercial model is not published, so you cannot model it before a call.
Where Sendmarc is the better buy.
If none of these is you, switching costs an afternoon and no data: DMARC reports are generated by receiving providers, so migrating is a change to one DNS record. Ask and we will do the bulk of it at no charge, including running both platforms in parallel while you decide — the offer and the details are below.
Leaving Sendmarc for a reason not listed here? The Sendmarc alternatives roundup covers the reasons and names the cheaper fix →
Feature by feature.
“Not documented” means we could not find it stated in Sendmarc’s public materials, not that it is absent. Competitor facts verified from public sources in September 2026— if something here is out of date, tell us and we will correct it.
The questions that decide it.
They do not publish it. The free trial covers one domain for 21 days, and every paid tier above it — Premium, compliance, Enterprise, Government and MSP — is quoted. We publish every tier including the partner rates: $119/mo for 30 domains or $299/mo for 100. For a partner pricing a service line, that difference is usually the whole comparison.
Run both for two weeks.
Point the same domain’s reports at both platforms — DMARC lets you send to more than one address. Two weeks of side-by-side data settles this better than any comparison table, including this one.
Competitor names are trademarks of their owners, used only to identify the products compared. Not affiliated or endorsed. Corrections: hello@ddmarc.com.