Sending Accounts

Sending accounts are the SMTP credentials Celeric uses to send your campaign emails. You can add multiple accounts and use them together for round-robin distribution.

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Adding a sending account

1. Go to Sending Accounts in the sidebar

2. Click Add sending account

3. Fill in your SMTP credentials:

4. Click Test connection to verify before saving — this sends a test SMTP connection to confirm your credentials work

5. Click Save sending account

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Common SMTP settings

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Gmail App Password (required for Gmail)

Gmail requires an App Password instead of your regular password when signing in from third-party apps.

Requirements: Your Google account must have 2-Step Verification enabled.

Steps:

1. Go to your Google Account

2. Click Security in the left sidebar

3. Under "How you sign in to Google", click 2-Step Verification

4. Scroll to the bottom and click App passwords

5. Enter a name (e.g., "Celeric") and click Create

6. Copy the 16-character password shown — use this as your password in Celeric

If you don't see "App passwords", 2-Step Verification may not be enabled, or your account may be managed by a Google Workspace admin who has disabled this feature.

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Microsoft 365 / Outlook setup

If "Test connection" fails for a Microsoft 365 account, SMTP AUTH may be disabled. To enable it:

1. Sign in to the Microsoft 365 Admin Center

2. Go to Users → Active users

3. Select the user's account

4. Click Mail tab → Manage email apps

5. Enable Authenticated SMTP

6. Save and wait a few minutes for the change to take effect

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Testing a saved account

From Sending Accounts, click the account name to open its detail page, then click Test Connection on the Connection tab. This verifies the SMTP credentials are still working.

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Multiple accounts and round-robin sending

You can add as many sending accounts as you like. When creating a campaign, you select which accounts to use. If you select multiple accounts, Celeric distributes contacts round-robin — each contact is assigned to the next account in rotation.

This is useful for:

• Spreading send volume across multiple mailboxes to stay within provider limits
• Using separate domains for different campaign types

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Compliance status

Each sending account shows a compliance status badge:

• Compliant — SPF, DKIM, and DMARC are properly configured for this sending domain
• At Risk — Some configuration issues detected
• Needs Setup — Compliance check hasn't been run or domain records are missing

The compliance status is based on the DNS records for the domain in the sending account's email address. Fix issues by following the recommendations in the Domain Checker.

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Editing or deleting an account

Open the account from Sending Accounts, go to the Connection tab, and:

• Update any fields (leave the password blank to keep the current one)
• Click Save to update, or Delete account to remove it

Deleting a sending account does not affect campaigns that were already sent using it.