Exclaimer — market share 2026

esp

According to Live Direct Marketing's daily Tranco top-1M scan (July 12, 2026), Exclaimer is the email service provider (ESP) for 737 domains — 0.12% of 617,244 SPF-publishing domains. Its strongest TLD is .com (37.0% of its domains). Detection: include: mechanisms in the SPF record.

737domains

0.12%of SPF-publishing domains

36distinct TLDs

2026-07-12snapshot (updated daily)

Commonly used together with Exclaimer

What else the same 737 domains use — cross-tabulated from the same daily snapshot (2026-07-12).

Type	Service	Domains	Share of Exclaimer users
Mailbox	Microsoft 365	487	66.1%
Mailbox	Mimecast	96	13.0%
Mailbox	Unknown / Other	41	5.6%
Mailbox	Barracuda	31	4.2%
Mailbox	Proofpoint Essentials	15	2.0%
Mailbox	Proofpoint	14	1.9%
ESP	Mailchimp	135	18.3%
ESP	SendGrid (Twilio)	118	16.0%
ESP	Amazon SES	107	14.5%
ESP	Mimecast	105	14.2%

TLD distribution (top 30 of 36)

com — 273 (37.0%)

co.uk — 183 (24.8%)

com.au — 85 (11.5%)

org — 60 (8.1%)

org.uk — 38 (5.2%)

au — 32 (4.3%)

co.nz — 8 (1.1%)

net — 7 (0.9%)

ac.uk — 6 (0.8%)

co — 4 (0.5%)

gov.uk — 4 (0.5%)

tv — 3 (0.4%)

eu — 3 (0.4%)

net.au — 3 (0.4%)

cloud — 2 (0.3%)

bank — 2 (0.3%)

ie — 2 (0.3%)

nl — 2 (0.3%)

es — 2 (0.3%)

gi — 2 (0.3%)

de — 1 (0.1%)

online — 1 (0.1%)

it — 1 (0.1%)

art — 1 (0.1%)

asia — 1 (0.1%)

gr — 1 (0.1%)

technology — 1 (0.1%)

events — 1 (0.1%)

fr — 1 (0.1%)

training — 1 (0.1%)

Frequently asked questions

How many domains use Exclaimer?

737 domains in the Tranco top-1M use Exclaimer as their email service provider (ESP) as of July 12, 2026, according to Live Direct Marketing's daily DNS scan.

What is Exclaimer's market share?

Exclaimer holds 0.12% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-12). The number is recomputed every day.

What are the biggest alternatives to Exclaimer?

The largest email service provider (ESP)s in the same category by Tranco top-1M share are: Amazon SES, SendGrid (Twilio), Mailgun, Zendesk, Mailchimp (as of 2026-07-12).

Largest email service provider (ESP)s in this category

Amazon SES (6.21%) · SendGrid (Twilio) (4.75%) · Mailgun (4.11%) · Zendesk (3.87%) · Mailchimp (3.69%) · Mandrill (3.36%) · HubSpot (3.18%) · Salesforce (2.62%) · Mailjet (Sinch) (2.13%) · Cloudflare Email Routing (1.80%)

ESP / mailing services portfolio → · Full daily report →

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Domain sample (top 100 by Tranco rank)

imo.orgmentalhealth.org.ukmovember.comexclaimer.netgold.orgmclaren.combeyondblue.org.aubullionbypost.co.ukrusi.orgenergysavingtrust.org.ukwebgains.comcv-library.co.ukleadforensics.comreiss.comdirectferries.comcwgc.orgopenaccessgovernment.orgwildlifetrusts.orgwestminster-abbey.orgholidaycottages.co.ukcazoo.co.ukgoodwood.comstonewall.org.uktheknowledgeacademy.comfortnumandmason.comreannz.co.nzmotors.co.ukdoverstreetmarket.comwst.tvfreeview.co.uknewbook.cloudasthmaandlung.org.ukboatinternational.comanglingdirect.co.ukimeche.orgrugsusa.comefl.combullionbypost.eulivgolf.comjadedldn.combestmed.com.aumusthaveideas.co.ukgold.co.ukort.orginversoro.esbullionbypost.frallen-heath.comasp.eventsorissimo.itstroke.org.ukheartfoundation.org.aulbma.org.ukark-invest.comdlagglobal.comconservatives.comrcgp.org.ukcounterhate.comtrespass.compsychology.org.auacornbysynergie.comtheparliamentmagazine.eucpfc.co.ukstudyinternational.comwallstreetprep.commssociety.org.ukgibraltar.gov.girsph.org.ukbutterfly-conservation.orgswitch.tvsandyou.co.uknatcen.ac.ukprospa.comxrysosonline.gropen.edu.auuniversitiesuk.ac.ukcvp.comtapestryresearch.comnessy.comstratco.com.auapc-overnight.comnufc.co.ukcontrolunion.comschoolsweek.co.ukcpag.org.ukinnovationnewsnetwork.combizcover.com.aunbl.com.autechuk.orgtoob.co.ukdid.iestaygenerator.comgreater.com.auamericangolf.co.ukrapidonline.comblenheimpalace.comaxminstertools.comgolf.com.auteamgb.commentalhealth-uk.orgdementiauk.org

Showing 100 of 737 domains.