Email Detective — ESP Tracker

by EmailTooltester

Get Email DetectiveDetect any senderright in your inbox Gmail Outlook

Email service providers used by E-commerce brands

Real-world data from emails received by Email Detective users. Brand counts include only senders that have crossed our visibility threshold.

1,312Brands tracked

10ESPs detected

Top ESPs in E-commerce

Klaviyo

453

SendGrid

124

Salesforce MC

121

Amazon SES

89

Mailgun

68

Braze

57

Mailchimp

54

SparkPost

47

Seguno

40

Bloomreach

37

Brands in E-commerce

Amazon Amazon SES

669 obs

Frutamare Shopify Messaging

471 obs

Shopify Shopify Messaging

344 obs

Barbour Mailgun

341 obs

Healthycureby Amazon SES

312 obs

Etsy SendGrid

307 obs

Opensourcetrades Iterable

300 obs

Pinterest Mailgun

250 obs

Amazon Amazon SES

237 obs

Appsumo Klaviyo

174 obs

Emaillove Customer.io

157 obs

Amazon Amazon SES

144 obs

Loopearplugs Klaviyo

126 obs

Neimanmarcus Salesforce MC

103 obs

Asos SparkPost

102 obs

Therealreal Salesforce MC

100 obs

Temu SendGrid

91 obs

Sairaskin Klaviyo

90 obs

Ticketmaster Salesforce MC

84 obs

Shinepyday Amazon SES

81 obs

Trivago Salesforce MC

77 obs

Adidas Salesforce MC

74 obs

Doordash SendGrid

70 obs

Flowcandy Mailgun

69 obs

Market24seven Iterable

69 obs

Malaniia MailerLite

67 obs

Rothys Ometria

66 obs

Gymbeam Brevo

63 obs

Zulily Braze

62 obs

Bruntworkwear Klaviyo

60 obs

Universalstandard Klaviyo

59 obs

Chasedimond Omnisend

56 obs

Shopsolarkits Klaviyo

56 obs

Desmondanddempsey Klaviyo

56 obs

Dou Mailgun

54 obs

Bullionbypost Mailchimp

52 obs

Travismathew Klaviyo

52 obs

Pccomponentes SendGrid

51 obs

Amazon Amazon SES

51 obs

Dyson Salesforce MC

47 obs

Yeti Braze

46 obs

Amazon Amazon SES

45 obs

Lego Salesforce MC

44 obs

Hims Braze

43 obs

Otto Emarsys

42 obs

Somerleddesigns Klaviyo

42 obs

T2tea Klaviyo

41 obs

Awaytravel Klaviyo

41 obs

Portolapaints Klaviyo

40 obs

Hm Adobe Campaign

38 obs

Uniqlo Adobe Campaign

38 obs

Rabbitair Klaviyo

38 obs

Shopgrowhouse Klaviyo

38 obs

Patagonia Klaviyo

37 obs

Cloudpillo Klaviyo

37 obs

Bloomandwild Braze

37 obs

Kashmina Klaviyo

37 obs

Nimany Klaviyo

36 obs

Instanthydration Klaviyo

36 obs

Lynottjewellery Klaviyo

35 obs

Colonbroom Klaviyo

35 obs

Wonkycoffee Klaviyo

35 obs

Syra Klaviyo

34 obs

eBay SendGrid

33 obs

Masienda Shopify Messaging

33 obs

Marksandspencer Salesforce MC

32 obs

Honeybirdette SendGrid

32 obs

Jd Sports Bloomreach

32 obs

Eyesarethestory Klaviyo

31 obs

Woocommerce Klaviyo

31 obs

Vividseats SparkPost

31 obs

Saks Salesforce MC

30 obs

Puffindrinkwear Klaviyo

30 obs

Fxtoys Seguno

30 obs

Daniellevis MailerLite

30 obs

Sophieolivia Lingerie Klaviyo

29 obs

Roughcountry Klaviyo

29 obs

Kleinanzeigen SendGrid

29 obs

Pampers Braze

29 obs

Solsoils Klaviyo

28 obs

Doradofashion Klaviyo

27 obs

Digidirect Salesforce MC

27 obs

Amazon Amazon SES

26 obs

Wearcommando Klaviyo

26 obs

Bouqs Klaviyo

26 obs

Wolfandbadger Ometria

26 obs

Theathletesfoot Bloomreach

26 obs

Rahvaraamat SendGrid

26 obs

Embroiderydesigns Salesforce MC

26 obs

Sklum Bloomreach

26 obs

Hoka Cordial

25 obs

Wehkamp Deployteq

25 obs

1mg SparkPost

25 obs

Leroymerlin Adobe Campaign

24 obs

Stubhub SendGrid

24 obs

Dimano Clothing Klaviyo

24 obs

Chacos Salesforce MC

24 obs

Ouraring Braze

24 obs

Ddrbbqsupply Klaviyo

24 obs

Cottonbureau Amazon SES

24 obs

Anonymous data crowdsourced from Email Detective users. We collect only domain, esp, day — no personal data, no user identifiers. Back to all brands.