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Fixing ATSAlist Email Delivery Issues

Emails from the ATSAlist come from mail-list.com and are tagged with [ATSALIST] in the subject line. If these messages are landing in spam or being deleted automatically, follow the steps below based on your email provider.

Step 1: Whitelist the Sender Domain

Add the following to your contacts or safe senders list:

  • From domain: @mail-list.com
  • Subject tag to look for: [ATSALIST]

Step 2: Instructions by Email Provider

Gmail

  1. Open your Spam folder and find an [ATSALIST] message.
  2. Click the message, then click "Not Spam" at the top.
  3. To prevent future filtering: Click the three dots (⋮) menu → "Filter messages like these"
  4. Click "Create filter" → check "Never send it to Spam" → click "Create filter"

Outlook / Microsoft 365

  1. Go to Settings → View all Outlook settings → Mail → Junk email
  2. Under Safe senders and domains, click Add and enter: mail-list.com
  3. Click Save
  4. If messages were auto-deleted, check your Deleted Items or Junk Email folder first and mark as Not Junk

Apple Mail (iCloud / Mac)

  1. Find an [ATSALIST] message in Junk.
  2. Right-click → "Move to Inbox" — this trains the filter.
  3. To whitelist: Go to Mail → Preferences → Rules → Add Rule
  4. Set condition: From contains mail-list.com → Action: Move to Inbox

Yahoo Mail

  1. Open your Spam folder and find an [ATSALIST] message.
  2. Click "Not Spam" — this moves it to your inbox and trains the filter.
  3. For permanent whitelisting: Go to Settings → More Settings → Filters → Add Filter
  4. Set: From contains mail-list.com → deliver to Inbox

Step 3: Check Your IT/Organizational Filters

If you access email through a workplace or institutional account, spam filtering may be managed at the server level by your IT department. In that case:

  • Contact your IT helpdesk and ask them to whitelist mail-list.com as a trusted sending domain.
  • Share mail-list.com's official server IP whitelist page with your IT team — it includes all server IP addresses and CIDR formats needed to authorize delivery at the network level.
  • Reference the mailing list tag [ATSALIST] to help them identify the messages.

For IT administrators: Mail-List.com operates several networks and guarantees that no spam is sent or relayed from any of their servers. All subscribers have confirmed and approved delivery via a confirmed opt-in process. A full list of server IPs is available at mail-list.com/about/whitelist and as a downloadable PDF.

Step 4: Confirm Your Subscription is Active

If whitelisting doesn't resolve the issue, verify that your subscription is still active:

  • Visit mail-list.com and check your subscription status.
  • If needed, contact the list administrator or reply to a previous [ATSALIST] email to confirm you're still subscribed.

Still Having Issues?

Contact ATSA at office@atsa.com and we can help troubleshoot or re-add you to the list.

These instructions apply to personal email clients. Organizational or enterprise email systems may require additional steps from your IT department.

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