Turbo-SMTP — market share 2026

esp

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Turbo-SMTP is the email service provider (ESP) for 971 domains — 0.16% of 617,702 SPF-publishing domains. Its strongest TLD is .com (33.0% of its domains). Detection: include: mechanisms in the SPF record.

971domains

0.16%of SPF-publishing domains

89distinct TLDs

2026-07-13snapshot (updated daily)

Commonly used together with Turbo-SMTP

What else the same 971 domains use — cross-tabulated from the same daily snapshot (2026-07-13).

Type	Service	Domains	Share of Turbo-SMTP users
Mailbox	Microsoft 365	291	30.0%
Mailbox	Self-Hosted	207	21.3%
Mailbox	Google Workspace	191	19.7%
Mailbox	Unknown / Other	88	9.1%
Mailbox	Generic / unmatched (mx.)	26	2.7%
Mailbox	OVH Mail	13	1.3%
ESP	Amazon SES	77	7.9%
ESP	MailUp	68	7.0%
ESP	Zendesk	54	5.6%
ESP	Mailjet (Sinch)	52	5.4%

TLD distribution (top 30 of 89)

com — 320 (33.0%)

it — 297 (30.6%)

org — 36 (3.7%)

net — 35 (3.6%)

de — 32 (3.3%)

fr — 27 (2.8%)

nl — 13 (1.3%)

co.uk — 12 (1.2%)

be — 10 (1.0%)

es — 8 (0.8%)

at — 7 (0.7%)

cl — 7 (0.7%)

eu — 7 (0.7%)

com.au — 7 (0.7%)

in — 6 (0.6%)

info — 6 (0.6%)

ca — 6 (0.6%)

ch — 6 (0.6%)

br — 5 (0.5%)

mx — 5 (0.5%)

com.br — 5 (0.5%)

pt — 4 (0.4%)

co — 4 (0.4%)

gov — 4 (0.4%)

pl — 3 (0.3%)

com.mx — 3 (0.3%)

online — 3 (0.3%)

pro — 3 (0.3%)

edu — 3 (0.3%)

tv — 3 (0.3%)

Frequently asked questions

How many domains use Turbo-SMTP?

971 domains in the Tranco top-1M use Turbo-SMTP as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.

What is Turbo-SMTP's market share?

Turbo-SMTP holds 0.16% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-13). The number is recomputed every day.

What are the biggest alternatives to Turbo-SMTP?

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 2026-07-13).

Largest email service provider (ESP)s in this category

Amazon SES (6.21%) · SendGrid (Twilio) (4.76%) · Mailgun (4.11%) · Zendesk (3.86%) · 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 →

Sending through Turbo-SMTP? Check whether your messages actually reach the inbox at Gmail, Outlook, Yandex and Mail.ru — free inbox placement test.

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Domain sample (top 100 by Tranco rank)

eyeo.com hamariweb.com sunat.gob.pe nationaltrust.org.uk bostonherald.com my-personaltrainer.itsss.gov.phsixt.comlanuovasardegna.itrevize.comfrance.frunisa.itaiga.orgsite.protennistv.combricobravo.comlepida.itsysaid.comadr.itagenzianova.comturkiyegazetesi.com.trexclusivehosting.netportal.gov.bdrionegro.com.arthinkindot.comitaliaoggi.itantoloji.comlagazzettadelmezzogiorno.itindonetwork.co.idvivaticket.itutusan.com.mycri.itnencinisport.itihi.orgeuronics.itlvvwd.comturkiyetoday.comvincitu.itlonex.comwatchersweb.comcascadedesigns.comjuzaphoto.comsecoloditalia.itdaznbet.itinfd.edu.artataaia.comnetwin.itlivesicilia.itsportbet.itladige.itblogsicilia.itiltirreno.itbetsson.itnetbet.itarcaplanet.itatm.itdomusbet.itpetpoisonhelpline.combennet.comntchosting.comzeendoc.commondoconv.itstanleybet.itmeetgle.comlz.demegapeer.vipfundaciontelefonica.comgestionaleimmobiliare.itstaryes.itaenor.commisya.infobgame.itgazzettadimodena.itmecshopping.itanticafarmaciaorlandi.itfarmaciasoccavo.itunonet.itwebspring.segpro.netfastbet.itaeroleads.comcasadelaudio.comiltquotidiano.itfarmacialoreto.itbounty.chatisss.gob.svwoonnet-haaglanden.nleducation.sngtt.to.itbiaustralia.com.auilcommiato.itosyscrm.itwilliamhill.itofa.orgcrocusgroup.rugazzettadelsud.itucsm.edu.perubix.comninox.comspielaffe.de

Showing 100 of 971 domains.