Sumopod
SMTP

Sending Emails with a Custom Domain

Once your domain is Verified, you can send emails from any address at that domain (e.g. noreply@yourdomain.com) using your existing SMTP credentials, no extra credential or configuration is needed.

Steps

  1. Open Email SMTP → Custom Domain tab and make sure your domain's status is Verified. If it is still Pending, complete the DNS setup first, see Custom Domain for SMTP. The Custom Domain tab with a verified domain in the list

  2. Go to the Credentials tab and copy the credential you want to use: host smtp.sumopod.com, port 465 (SSL), username, and password. Any active credential works with any verified domain. The Credentials tab with the active SMTP credentials

  3. In your application, set the From address to an address at your verified domain. You can use any mailbox name you like, e.g. noreply@, billing@, or hello@. Code examples are available in the Quickstart tab, just replace the From address with your own domain address.

  4. Send a test email, then check the Activity Log tab. Once delivered, the From column shows your custom domain address. The Activity Log showing delivered emails sent from the custom domain

Notes

  • Verifying the domain publishes the DKIM and SPF records that let receiving mail servers trust your emails. Sending from a domain that is not verified makes your emails much more likely to be rejected or marked as spam.
  • How to set up the transporter/mail library itself is covered in SMTP Configuration.
  • Every email sent is billed from your Email Credit Balance as usual, regardless of the sender domain.
  • Direct link: Email SMTP
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