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Custom sender email addresses

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Custom sender email addresses can only be configured by a tenant owner.

Tines Cloud and self-hosted register these addresses differently. On Tines Cloud, the default From address for the send email action is mail@tines.io.

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Configuring a custom sender email address

Visit Settings > Sender Emails or https://<tenant-domain>/settings/sender_email_addresses and click the "+ Add Address" button, as shown in the top right of the below screenshot.

Custom sender email address admin page with no custom sender email addresses added
Add a sender email address modal with two fields, the first for an email address and the second for a mail from domain. The bottom of the modal has a button with the text "Save email address"

In this form you will need to enter:

  1. The email address you wish to use (e.g., user@example.com)

  2. The MAIL FROM domain (The MAIL FROM domain must be a subdomain of the email address domain. For user@example.com, use a domain such as tinesmail.example.com.")

The resulting screen will provide two DNS records, an MX record and a TXT record, that will need to be configured in your DNS provider, and you will receive a verification email. Please note that DNS verification may take up to 72 hours to propagate.

If you're adding multiple custom sender emails, you'll have to configure each of their DNS records (MX and TXT) in your domain registrar separately. However, if you are adding multiple custom sender emails with the same domain (e.g., acme.com as the domain, and support.acme.com and legal.acme.com as the custom sender emails), you can only add one MX record for that domain, as multiple MX records will not verify successfully.

You can read more about how we create custom sender emails in the AWS docs .

DNS records that need to be added for a custom sender email address with example "user@example.com"

Using a custom sender email address

Once verification is complete, select the send email action and add the "Custom sender address" from the "+ Option" menu. You can now enter the email in the "Custom sender address" field.

The build panel of an email action with the custom sender address section highlighted

Self-Hosted

Self-hosted tenants send email through your SMTP server.

Set EMAIL_FROM_ADDRESS before the first start. That value becomes the default From address for Tines mail, including the send email action. An example is Example Support <support@example.com>. Change individual addresses later in Settings → Configuration, under Tenant mailer email addresses. Email action mailer email address is the default for the send email action.

Configure SMTP with the SMTP_* environment variables, or in Settings → Configuration. Ask the team that runs your mail server to allow sending as these addresses, and configure SPF and DKIM there.

A tenant owner can register more From addresses for the send email action:

  1. Open Settings → Sender emails (/settings/sender_email_addresses).

  2. Click New.

  3. Enter the email address and save.

The address is available immediately. Tines does not send a verification email or show DNS records. In the send email action, add Custom sender address from + Option and select the address. Your SMTP server must accept that address as the sender.

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