Email Detective — ESP Tracker

by EmailTooltester

Get Email DetectiveDetect any senderright in your inbox Gmail Outlook

Email service providers used by Nonprofit brands

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

191Brands tracked

10ESPs detected

Top ESPs in Nonprofit

SendGrid

36

Mailchimp

31

Salesforce MC

25

Amazon SES

25

HubSpot

22

SparkPost

7

Kit

5

Beehiiv

5

Dotdigital

5

5

Brands in Nonprofit

Donorschoose SendGrid

58 obs

Mairie Carcassonne rapidmail

55 obs

Which Salesforce MC

47 obs

Trailblazercommunitygroups SendGrid

42 obs

Service Amazon SES

40 obs

Dignitas Klaviyo

40 obs

Zeffy Brevo

26 obs

Dccc SparkPost

22 obs

Amukr Squarespace

21 obs

Nextnw Mailchimp

21 obs

Percentpledge HubSpot

19 obs

Ssa Amazon SES

18 obs

Paddleuk Dotdigital

17 obs

Answersingenesis HubSpot

16 obs

Mumsnet Amazon SES

15 obs

Nsw Salesforce MC

15 obs

Fsb Dotdigital

15 obs

Fundraiseup Amazon SES

13 obs

Comnetwork Mailchimp

13 obs

Seocharity Kit

12 obs

Sussexwt Mailchimp

12 obs

Novaukraine Mailchimp

11 obs

Csis Salesforce MC

11 obs

Signalcleveland ActiveCampaign

11 obs

Theagentsofchange Mailchimp

10 obs

Fndn Beehiiv

10 obs

Schf Salesforce MC

10 obs

Forwarddemocracy SendGrid

10 obs

Ncdot SendGrid

10 obs

Poets Mailchimp

10 obs

Cew Dotdigital

10 obs

Naacpldf SparkPost

10 obs

Change SparkPost

10 obs

Rfth ActiveCampaign

10 obs

Lebensidealisten KlickTipp

9 obs

Acn Mailchimp

9 obs

Civicshoutnewsletter Beehiiv

9 obs

Officeforstudents Mailchimp

9 obs

Aclu Sailthru

9 obs

Networkforgood SendGrid

8 obs

Hromada Amazon SES

8 obs

Smarthub SendGrid

8 obs

Kiva Iterable

8 obs

Nccourage Braze

8 obs

Loveinfaith SendGrid

8 obs

Parliament Amazon SES

7 obs

Alima Mailchimp

7 obs

Wingsforlifeworldrun Bloomreach

7 obs

Ukrainianmuseum Mailchimp

7 obs

Ftc Amazon SES

7 obs

State Amazon SES

7 obs

Miamichamber HubSpot

7 obs

Ny Amazon SES

7 obs

Charitywater Iterable

7 obs

Aaae HubSpot

6 obs

Reformparty SendGrid

6 obs

Charityjobnews Dotdigital

6 obs

Ca Amazon SES

6 obs

Happyvalleyunited ActiveCampaign

6 obs

Bethelmemorial Mailchimp

6 obs

Soldera Postmark

6 obs

Mainstreetsummit HubSpot

6 obs

Greensoftware Mailchimp

6 obs

Stmatthew Mailchimp

5 obs

Misereor Salesforce MC

5 obs

Lacourt Mailgun

5 obs

Foundationinc Kit

5 obs

Eacnur Salesforce MC

5 obs

Donatestock SendGrid

5 obs

Coolidge Mailchimp

5 obs

Email Unionplus Salesforce MC

5 obs

Churchofjesuschrist Marketo

5 obs

Hausdesstiftens CleverReach

5 obs

Linuxfoundation HubSpot

5 obs

Mesaaz Amazon SES

5 obs

Venturewell Salesforce MC

5 obs

Anitab SendGrid

5 obs

Friendshipapl Mailchimp

5 obs

B4ukraine SendPulse

5 obs

U24 MailerLite

5 obs

Aarp Salesforce MC

5 obs

Youversion SendGrid

5 obs

Thedogoodcrew Beehiiv

5 obs

Goodshoutcommunity Squarespace

5 obs

Ngs Dotdigital

5 obs

Libertyukraine Mailchimp

5 obs

Sandiegobloodbank Amazon SES

5 obs

Weforum Salesforce MC

5 obs

Lwf Marketo

5 obs

Betterimpact HubSpot

5 obs

Nsf Amazon SES

5 obs

Mahaaction Beehiiv

5 obs

Diakonie Katastrophenhilfe Optimizely Campaign

4 obs

Apexnc SendGrid

4 obs

Nonprofithub ActiveCampaign

4 obs

Hsrail SparkPost

4 obs

Nationaltrust Salesforce MC

4 obs

Dhs Amazon SES

4 obs

Jedfoundation Campaign Monitor

4 obs

Acalltomen Campaign Monitor

4 obs

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