MailUp — market share 2026

esp

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), MailUp is the email service provider (ESP) for 1,477 domains — 0.24% of 617,702 SPF-publishing domains. Its strongest TLD is .it (54.7% of its domains). Detection: include: mechanisms in the SPF record.

1,477domains

0.24%of SPF-publishing domains

47distinct TLDs

2026-07-13snapshot (updated daily)

Commonly used together with MailUp

What else the same 1,477 domains use — cross-tabulated from the same daily snapshot (2026-07-13).

Type	Service	Domains	Share of MailUp users
Mailbox	Microsoft 365	493	33.4%
Mailbox	Google Workspace	350	23.7%
Mailbox	Self-Hosted	261	17.7%
Mailbox	Unknown / Other	126	8.5%
Mailbox	Generic / unmatched (mx.)	51	3.5%
Mailbox	Proofpoint	35	2.4%
ESP	Amazon SES	165	11.2%
ESP	Zendesk	104	7.0%
ESP	Mandrill	75	5.1%
ESP	SendGrid (Twilio)	73	4.9%

TLD distribution (top 30 of 47)

it — 808 (54.7%)

com — 389 (26.3%)

net — 36 (2.4%)

cl — 33 (2.2%)

com.ar — 32 (2.2%)

org — 25 (1.7%)

uy — 18 (1.2%)

ar — 13 (0.9%)

com.mx — 12 (0.8%)

co — 12 (0.8%)

com.co — 9 (0.6%)

com.ec — 8 (0.5%)

es — 8 (0.5%)

mx — 6 (0.4%)

eu — 6 (0.4%)

pe — 5 (0.3%)

dk — 5 (0.3%)

py — 5 (0.3%)

io — 4 (0.3%)

com.pe — 3 (0.2%)

co.uk — 3 (0.2%)

pt — 3 (0.2%)

de — 3 (0.2%)

gr — 3 (0.2%)

info — 2 (0.1%)

fr — 2 (0.1%)

ch — 2 (0.1%)

shop — 2 (0.1%)

la — 2 (0.1%)

to — 1 (0.1%)

Frequently asked questions

How many domains use MailUp?

1,477 domains in the Tranco top-1M use MailUp as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.

What is MailUp's market share?

MailUp holds 0.24% 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 MailUp?

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 →

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Domain sample (top 100 by Tranco rank)

repubblica.it 3bmeteo.com hotels.com register.it lastampa.it unibo.it claro.com.ar hdblog.it fantacalcio.it goldbet.it betflag.it planetwin365.it nominalia.comcineca.itquotidiano.netseeweb.ituniroma2.itbuenosaires.gob.arhollandamerica.comregione.lombardia.itgetbee.iolcn.comkataweb.iteluniverso.comeasy.grnexi.itamen.frunipv.itmpsmonitor.comudea.edu.counisa.itgedidigital.itinacap.clunionesarda.itcineuropa.orgasem.ittwt.itcsi.itsalonemilano.itdalux.comxlovecam.comilsecoloxix.itsmeg.comecodibergamo.itfinanzaonline.comlibraccio.itlibreriauniversitaria.itquotidianosanita.itovs.itcarrefour.itaemps.esusm.clvaresenews.itmultiplayer.itfarmasave.itswizzonic.chdeejay.itunime.itslowfood.comcri.itallianz.itgiornaledibrescia.itluiss.itforbes.itestafeta.comorsted.comarenasport.commoto.itclarochile.clclaro.com.ecautosupermarket.itbluespirit.comilgiornaledivicenza.itgazzettadiparma.itobi-italia.itpinalli.itilsussidiario.netsecoloditalia.itskuola.netespol.edu.ectecnocasa.itnetwin.itmedicitalia.itamplifon.comprovinciacompras.com.arstrumentimusicali.netrinascimento.comdiadora.commercatinomusicale.comispionline.itautomoto.itstrettoweb.comceibal.edu.uyfarmina.comreteimprese.itmegatone.netmaxisport.compcfactory.cllaprovinciadicomo.itmcdonalds.it

Showing 100 of 1,477 domains.