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Alternate addresses

You talk to your customers in multiple inboxes - Plain supports that. You can configure up to 10 alternate email addresses so you can manage multiple email touchpoints from a single workspace.

This helps teams unify communication while still meeting customers where they are – whether they email support@, hello@, or billing@.

Why alternate addresses are useful:

  • Simplify workflows
    Manage all incoming support emails from one place – no switching tools or accounts.

  • Improve customer experience
    Reply from the address your customer originally emailed, keeping communication consistent.

  • Maintain branding across departments
    Use purpose-specific addresses like billing@, security@, or contact@ without complicating your setup.

How it works:

You can configure alternate addresses at the bottom of Settings → Email in Plain.

To qualify as an alternate address, the email must:

  • Use the same domain as your primary support address (e.g. if your main address is help@acme.com, valid alternates include billing@acme.com ).

  • be forwarded in the same way as your main help email to the email address Plain provides you when setting up your email.

Replying from alternate addresses:

Once alternate emails are set up:

  • Plain will automatically reply using the same email the customer contacted

  • You can also manually select any of your alternate addresses when composing or replying to an email

This makes it easy to match the right sender identity with the right customer context – without any extra effort from your team.

TLDR – one inbox, many faces

With alternate addresses in Plain, you can:

  • Route all support-related emails into one tool

  • Reply from the right address, every time

  • Keep things simple and consistent – for both your team and your customers