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Overview

DMARC management: managed DMARC services explained

Publishing a DMARC record is the easy part. DMARC management is the work that follows: finding every service that sends as you, fixing SPF and DKIM, moving each domain to enforcement and keeping it there. A managed DMARC platform takes much of the manual DNS and report work off your team, and we help you choose one and set it up.

In short

Managed DMARC means a hosted platform that collects your DMARC reports, names every sender and lets you change DMARC, SPF and DKIM records from one place, with a record of each change. We supply EasyDMARC, Valimail and Check Point's DMARC Management add-on, help you set them up and plan each policy move, with terms confirmed at quote.

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What DMARC management involves

A DMARC record at p=none tells you who is sending as your domain. Getting from there to an enforced policy, and staying there, is a series of practical jobs. The DMARC standard itself, RFC 9989 section 5.1.7 (opens in a new tab), warns that it "may take many months of consuming DMARC aggregate reports" before a domain owner is sure all of its mail is properly authenticated. A DMARC management platform does most of the heavy lifting:

What DMARC management involves
JobWhat it involvesHow a DMARC platform helps
Collect reportsReceiving XML aggregate reports, usually daily, from the mailbox providers that send them, at the address in your rua tagHosts the reporting address, publishes the authorisation record and keeps months of history
Identify sendersWorking out which service is behind each sending IP addressNames the services (Microsoft 365, your CRM, your payroll provider) and groups them by source
Fix SPFAdding each legitimate sender while staying within SPF's 10 DNS lookup limit (opens in a new tab)Hosted SPF: EasySPF flattening, Valimail Instant SPF or Check Point SPF Management
Fix DKIM (opens in a new tab)Publishing selector records for each service and keeping them currentHosted DKIM through a one-time _domainkey delegation
Move the policyStepping each domain from none to quarantine or reject when its senders passPolicy changes from a dashboard, with validation, history and rollback
Stay at enforcementCatching new senders, broken records and reports that stop arrivingAlerts, change logs and recommendations per domain

The end state is not the same for every domain. RFC 9989 section 7.4 (opens in a new tab) says general-purpose mailbox domains whose users may post to mailing lists should not publish p=reject, while the NCSC calls a reject policy on all of your domains (opens in a new tab) the best way to prevent spoofing. Good DMARC management settles which policy suits each domain, using the evidence in your reports. Our DMARC policy guide covers the options.

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How each platform manages your records

The three platforms we supply take different routes to the same job: changing your records without a DNS ticket for every sender or policy step. This is how each one handles the management side, from its vendor's own material:

How each platform manages your records
PlatformYour DMARC recordPolicy changes and change controlHosted SPF and DKIM
EasyDMARCManaged DMARC (opens in a new tab): one CNAME at _dmarc, then the record is hosted by EasyDMARCChanged in the dashboard, with pre-save validation, versioned history and one-click rollbackEasySPF through one TXT record; Managed DKIM through a _domainkey delegation
Valimail_dmarc delegated to Valimail by NS (or CNAME) and managed in Enforce (opens in a new tab)Policy, subdomain policy, np, testing mode (t) and alignment set in EnforceInstant SPF macro record; DKIM through a _domainkey NS delegation
Check Point DMARC ManagementStays in your own DNS; Check Point hosts the reporting mailboxRecommendations (opens in a new tab) per domain and a DNS Change-Log (opens in a new tab) of SPF and DMARC changesSPF Management through an include; DKIM Management through an NS delegation

For free options, data location and which platform tends to suit which team, see EasyDMARC vs Valimail. The editions we supply are on the EasyDMARC pricing and Valimail Core and Pro pages.

Change control: how policy moves are managed

Moving a domain from p=none to enforcement is a series of controlled changes, not one edit. On a managed platform each change is made, checked and recorded in one place:

  1. Count every domain you own, including parked and unused ones; the NCSC says all of your domains, including parked domains (opens in a new tab), should have DMARC records
  2. Hand the record to the platform: publish EasyDMARC's Managed DMARC CNAME or Valimail's _dmarc delegation once, or keep your TXT record and add the platform's reporting address, which is how Check Point's add-on works
  3. Authorise each legitimate sender in the platform, using hosted SPF and DKIM where that saves DNS work
  4. Make each policy step from the dashboard, one domain at a time, so the change is validated and logged rather than typed into DNS
  5. Check the reports after each step and roll back if genuine mail starts failing; a versioned history or change log shows exactly what changed and when
  6. Keep changes under control: alerts for record errors, new failing sources and reports that stop arriving catch changes made outside the platform

How long to spend at each stage is covered in our DMARC policy guide, and how to set up DMARC covers the first record.

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DMARC for MSPs and multi-site organisations

If you look after domains for several clients, schools, brands or subsidiaries, you need one console with each organisation kept separate. All three platforms we supply handle many domains:

Multi-academy trusts, charity groups and businesses with several trading names often have more domains than they realise. A DMARC MSP console, or a multi-domain plan, keeps every one of them visible. We can help you count them and pick the edition that fits; see Valimail Core and Pro and EasyDMARC pricing.

UK points that shape DMARC management

We help businesses, schools, charities and public sector bodies across the UK. A few UK points shape most projects:

See DMARC compliance for the UK picture and DMARC sender requirements for the mailbox provider rules.

How we help with DMARC management

We act as your DMARC advisor and supplier: we help you choose the platform and get it working, and your team or your IT provider stays in control of your DNS and email. We can:

  • Review your domains: check your DMARC, SPF and DKIM records and list the domains and subdomains you own, including parked ones
  • Recommend a platform: compare EasyDMARC, Valimail and Check Point's DMARC Management against your senders, your team and where you want report data processed
  • Onboard your domains: the first step is a change to the rua tag, which only changes where reports are sent; EasyDMARC describes this as the only DNS-level change required (opens in a new tab), with mail flow unchanged
  • Plan the policy path with you: agree which domains go to quarantine or reject, and in what order
  • Help with hosted SPF and DKIM: set up the include, macro or delegation records each platform uses
  • Licensing in one place: we supply EasyDMARC and Valimail through the Pax8 cloud marketplace and can bill monthly, with terms confirmed at quote

Contact us for free advice on which DMARC solution fits your domains.

What to have ready when you contact us

A short list helps us give you useful advice straight away. None of it is essential, and we can help you find what you do not have:

  • The domains you own, including any you have bought but do not use for email
  • Who hosts your DNS (for example your registrar, Cloudflare, Azure DNS or AWS Route 53) and who makes changes to it
  • Your main email service, such as Microsoft 365 or Google Workspace
  • Other systems you know send email as you: marketing, CRM, finance, HR, ticketing and website forms
  • Your current DMARC record, if any: run our DMARC checker and paste the result
  • Any deadline, such as a public sector requirement, an insurer's question or a mailbox provider rejecting mail

Frequently asked questions

What is managed DMARC?

Managed DMARC is a hosted service that collects your DMARC reports, identifies the services sending as your domains and lets you change DMARC, SPF and DKIM records from a dashboard rather than editing DNS each time. EasyDMARC, Valimail and Check Point's DMARC Management add-on all work this way. We help you choose one, set it up and plan the move to enforcement.

Are there free DMARC services?

Yes. Our free DMARC checker and DMARC generator check and build records. Valimail offers Valimail Monitor (opens in a new tab) free, with a weekly DMARC report, and EasyDMARC offers free public tools (opens in a new tab) and a 14-day trial. Paid platforms add hosted records, alerts and longer history; ask us for a quote.

How is managed DMARC priced?

It depends on the platform: EasyDMARC prices by plan, domains and monthly email volume, Valimail Core and Pro are priced per domain, and Check Point's add-on is licensed per user. Ask us for a quote for your domains and we will compare the options.

Does a DMARC platform sit in our mail flow?

No. DMARC platforms read reports and manage DNS records; your mail keeps flowing through your own email service. EasyDMARC says it runs alongside your mail flow, not inside it (opens in a new tab), and Valimail says pointing your rua tag at Monitor causes no change to your email flow (opens in a new tab).

Can you work alongside our existing IT provider?

Yes. We can supply the platform and help with set-up and the policy plan while your IT provider carries on running your DNS and email. The multi-tenant consoles in EasyDMARC and Valimail let several teams share access with their own roles, so everyone sees the same reports.

How long does it take to reach DMARC enforcement?

It depends on how many domains and senders you have. The NCSC says many organisations move from none to quarantine after about 6 to 8 weeks (opens in a new tab) and from quarantine to reject after about 3 months (opens in a new tab). Domains that send no email can usually be set to reject straight away.

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Next step

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