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tmd01
tmd01

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Do you know who the biggest temp mail providers are?

Hi everyone!

I'm working on Temp Mail Detector, and as part of this I thought it would be interesting to look under the hood and pull out some statistics to create a sankey diagram showing which of the disposable email providers are most prominent over the last three months.

Sankey diagram of disposable email address (DEA) market share over three month period

What this diagram shows

  • The ranking of the most tracked providers over a period of three months (left to right).
  • The relative market share of each provider, indicated by band width.
  • Which providers are gaining or losing ground over time.
  • Raw usage metrics are normalised to a scale of 1–10.
  • How the competitive set remains (mostly, at least during this period) stable, with no new entrants or exits during the period.

Some interesting observations:

  • It's not always the big names which cause the most trouble, but rather those with programatic and agentic access.
  • Despite this, temp-mail.org which does not provide programatic access stays high up there, suggesting they have (very) high volumes of user traffic in comparison to smaller providers who allow fewer people to use their services at higher volumes. Indeed, you see everyone mention them online, but rarely their competition.
  • The number of domains you own doesn't limit you. tempmail.lol makes heavy use of sub-domains, while temp-mail.org acquires new domains regularity. Meanwhile, mail.chatgpt.org.uk approaches this problem differently by allowing people to add their domains to the pool, gaining additional access to their service.

If you found that interesting, you can find the disposable email market share graph here which updates daily.

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tmd01

Happy to answer any questions on this data or to talk about other interesting findings!