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Email Integration lists SMTP as one of the providers you can connect. This page walks through the Add Email Provider form field by field for an SMTP profile, using Zoho Mail as a worked example — the same fields apply to any generic SMTP server, just with values from your own provider instead.
This assumes you’re already on the Add Email Provider form with Provider Type set to SMTP — see Email Integration for how to get there.
Email Profile modal with SMTP selected on the right and the Host, Username, Password, Port, and Encryption fields on the left

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The SMTP fields

Your email provider (Zoho, in this example, or any other SMTP service) publishes these values in its own mail settings — you’re copying them across, not inventing them.
1

Open Add Email Provider

From Email Integration, click New and pick SMTP as the Provider Type.
2

Get your SMTP details from the provider

Log into your email provider’s settings (Zoho Mail, in this example) and copy its SMTP Host, Port, and Username. If the provider requires an app password (Zoho does), generate one there first — don’t reuse your normal mailbox password.
3

Fill in the form

Enter the Sender Name, Sender Email, SMTP Host, SMTP Port, SMTP Username, and SMTP Password, then enable Use SSL/TLS if your provider requires encryption.
4

Click Save

The profile is now available to select anywhere Email Integration is used, e.g. the Email tab in Bot Settings.

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Frequently asked

Go to Email Integration, click New, and set Provider Type to SMTP. Fill in Sender Name, Sender Email, SMTP Host, Port, Username, Password, and enable SSL/TLS if your provider requires it, then click Save — see the field table above for where each value comes from.
Yes — the same form works for any SMTP provider. Zoho is just the worked example here; swap in the Host, Port, Username, and Password that Gmail, Outlook, or your hosting provider publishes for SMTP access.
In your email provider’s own settings — most providers (Zoho, Gmail Workspace, Outlook, a hosting company’s mail service) publish an SMTP Host, Port, and whether SSL or TLS is required on a dedicated “SMTP settings” or “Mail client settings” page.
Only if your provider allows it. Many providers, including Zoho, require you to generate a separate app password for SMTP access instead of your regular login password.
465 if your provider uses SSL, or 587 if it uses TLS — check which one your provider documents, since using the wrong port is a common reason the connection fails silently.
A mismatched SMTP Port and Use SSL/TLS setting is the most common reason an SMTP profile saves successfully but emails never actually send — confirm both against what your provider documents.