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If you’re building a platform that lets your users send email (whether that’s marketing newsletters, booking confirmations, fundraising campaigns, or anything in between), you’re dealing with a set of challenges that most email APIs weren’t really designed for. As a platform, you aren’t just sending your own emails. You’re orchestrating email on behalf of dozens, hundreds, or potentially thousands of your customers, each with their own sending reputation, their own domain, and their own audience. That’s a fundamentally different problem—and it deserves a purpose-built solution. Helo is built with platforms like yours in mind.

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The challenges platforms face

Here are just a few of the key challenges we know platforms need to wrangle (and how Helo helps with all of them).

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Don’t let one spammy customer ruin sending reputation for everyone

When one of your users has a bad day — a spam complaint spike, a poorly targeted campaign, a misconfigured integration — it shouldn’t become everyone’s bad day. With shared sending infrastructure, problems bleed across users. You need true isolation between senders, with per-user visibility into what’s happening and the ability to act on individual accounts without affecting the rest. Helo is designed to fully support multi-tenant environments. Learn more about how to use Helo’s Channels to create dedicated sending environments for each of your users.

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Authenticating your users’ domains

Your users want email to come from their domain, not yours. Setting up proper domain authentication (SPF, DKIM) for each of them should be straightforward — not a support nightmare for you or a confusing obstacle for them. Learn more about domain management for platforms →

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Getting meaningful insight per customer

Aggregate stats are nearly useless when you’re supporting a platform. You need to know how each customer’s email is performing—deliverability, bounces, engagement, spam reports, so you can manage your customers accordingly. When you use Channels to manage your platform sending, you’ll receive aggregated stats for each of your customers, so you can easily monitor sending performance for everyone — whether you prefer to do that via the dashboard or by pulling in info via our powerful APIs.

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Need help optimizing your platform sending set up?

If you need a hand setting up your sending to make sure you can properly send on behalf of your customers, just send us a note! We’re happy to help. Talk to us about your platform use case →