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Cloudflare Email Service

blog.cloudflare.com

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Re: Cloudflare Email Service

#131

Post by jgalt212 »

pbronez wrote: post #112
ttul wrote: post #107

Earlier quoted context omitted.

I run an email sending service at scale (billions of messages per month, tens of millions of end users, thousands of customers). Most of our software development and operational effort revolves around abuse mitigation. That has been the case for 15 years. It's a cat-and-mouse game with two different mice: the senders, who are constantly trying to figure out how to get you to deliver their garbage; and the receivers,…

What structural changes could we make to improve the situation?

Hashcash, or BTC.

Re: Cloudflare Email Service

#132

Post by b112 »

pbronez wrote: post #112
ttul wrote: post #107

Earlier quoted context omitted.

I run an email sending service at scale (billions of messages per month, tens of millions of end users, thousands of customers). Most of our software development and operational effort revolves around abuse mitigation. That has been the case for 15 years. It's a cat-and-mouse game with two different mice: the senders, who are constantly trying to figure out how to get you to deliver their garbage; and the receivers,…

What structural changes could we make to improve the situation?

It's simple, there's a standard, a new one, which takes into account SPF, DKIM, DMARC, ARC, and even DANE along with upcoming and purposed SPKF, DKIM+, DMARC2, and ARCv4. It should fix just about everything.

Re: Cloudflare Email Service

#133

Post by tracker1 »

karimf wrote: post #82

Ok I just tried the service since I want to migrate from Resend. Seems like you can only send email via the worker or REST API for now? Can I send via SMTP? I'm using Supabase and it needs the SMTP credentials. I can't find anything on the dashboard or on the docs, even though last year they said it supports SMTP [0] [0] https://blog.cloudflare.com/email-service/

Not to oversimplify the issue... but you could probably run a small VPS and SMTP relay service that requires tls+auth and just relays all email from your domain through to API calls. You could probably get something operational in a couple hours with Claude Code.

My first thought in reading this would be using this service and the default mail app's structure to back end typical email protocols so you can still use a regular email client to access/use the system as a gateway.

That said, I still think Cloudflare is in a unique position to compete with gmail/m365 mail/calandar/contacts... possibly funding Thunderbird development to tighten the integration as a mail client.

For that matter, I still think cloudflare is in a good position to create a new

Re: Cloudflare Email Service

#134

Post by tracker1 »

efalcao wrote: post #123
pradn wrote: post #89

How much do existing services trust new email service providers? It would seem to be an uphill battle for Cloudflare to start a new service. It's easy to automate from the start, meaning it's easier to send spam. I suppose reputation is not simply based on the domain the email comes from?

Hi, I work on this team at Cloudflare. We've been sending email for years via our free email routing product and email sending is built on top of the same infrastructure, code and knowledge.

I hope you've (your org) been able to curate something resembling higher level contacts with Microsoft. They seem to be the single largest email provider that consistently has deliverability issues.

Re: Cloudflare Email Service

#135

Post by tracker1 »

potato-peeler wrote: post #99

I can use this to set up my own custom mail service, like an alternative to gmail? Or at the very least, my own personal mail provider?

You'd need to write your own mail protocol host/gateway on top of this service... Pop/smtp/imap, etc.

Also, search is a bigger/harder issue to solve, assuming you want to support clients searching for emails without a full scan of their mailbox for matches.

Re: Cloudflare Email Service

#137

Post by EGreg »

Meekro wrote: post #41

I'm not sure why this announcement has generated so much irritation in the comments-- Cloudflare has been transitioning from "DDoS protection" to "AWS competitor" for many years now, and this is just their alternative to AWS SES. It's an email sender that you can access through an API, or directly through Workers. For those who haven't been keeping up over the years, Workers is their product for running code on Cloud…

Can Cloudflare do an SMS service? That would be something :)
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