Neon One email service provider (ESP)

According to Live Direct Marketing's daily Tranco top-1M scan (July 12, 2026), Neon One is the email service provider (ESP) for 169 domains — 0.03% of 617,244 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.

Key facts

Neon One is a cloud-based software platform for nonprofit organisations, providing customer relationship management, fundraising tools, and integrated email communications infrastructure. Nonprofits using Neon One route their transactional and donor communications through the platform's email servers, which are identified in sender authentication records via SPF include mechanisms.

Analysis of Neon One's sender footprint across the internet reveals concentration in the .org namespace and predominantly in the long tail of smaller organisations rather than among major commercial brands, with frequent co-deployment of Google Workspace. This pattern indicates a specific sender demographic — small to mid-sized nonprofits — meaning that Neon One's reputation in the mail ecosystem reflects the collective practices of organisations in this vertical rather than mainstream commercial or enterprise sender populations.

Where Neon One sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00010.6%
Top 100,000169.5%
Top 1,000,00013278.1%
Unranked2011.8%

Top-level domain split

TLDDomainsShare
.org13881.7%
.com1710.1%
.net42.4%
.edu42.4%
.us31.8%
.nyc10.6%
.ca10.6%
.fm10.6%

What Neon One users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 169 domains.

TypeServiceDomainsShare of Neon One users
MailboxGoogle Workspace8147.9%
MailboxMicrosoft 3655029.6%
MailboxUnknown / Other95.3%
MailboxBarracuda63.6%
MailboxProofpoint Essentials53.0%
MailboxProofpoint42.4%
ESPMailchimp3218.9%
ESPAmazon SES1810.7%
ESPMandrill1710.1%
ESPMailgun137.7%

Authentication across diverse nonprofit organisations on a shared platform

Neon One functions as the email infrastructure for diverse nonprofit organisations with varying operational scale and email implementation maturity. Organisations using Neon One range from established institutions with rigorous authentication and list-management practices to smaller nonprofits implementing their first formal email infrastructure. Recipient systems and reputation analysts should evaluate traffic from individual Neon One senders on their specific authentication setup and sending behaviour rather than applying platform-wide reputation assumptions, because the nonprofit sector's diversity means sender characteristics vary significantly across Neon One's user base.

See the full Neon One data page (KPI cards, trend, sample domains) →

Are your emails landing in spam?
Run a free inbox-placement test across Gmail, Outlook, Yahoo and more — see exactly where your mail lands and why.
Test inbox placement →

Frequently asked questions

Why does Neon One appear in my email's SPF records or authentication setup?

If your organisation uses Neon One's platform, its SPF include authorises the company's mail servers to send email on your domain's behalf. Neon One's presence in authentication records means your organisation is routing communications through their nonprofit-focused infrastructure.

How many domains use Neon One?

169 domains in the Tranco top-1M use Neon One as their email service provider (ESP) as of July 12, 2026 (0.03% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.

Is Neon One common enough to affect email deliverability testing?

Neon One accounts for 0.03% of SPF-publishing domains in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.

Which countries or TLDs use Neon One most?

Neon One's largest TLD is .org (81.7% of its domains); it appears across 8 TLDs in total.

Other email service provider (ESP)s

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%)