Avoid False Positives – Whitelist SpamProtect.me

To ensure that emails processed by the SpamProtect.me Email Gateway are not mistakenly flagged as spam or rejected, it is essential to whitelist our IP addresses on your mail servers or email services.

This guide provides configuration examples for Postfix, Exim, Office 365, Google Workspace, Zoho Mail, and general mail servers or firewalls.

📌 SpamProtect IPs to Whitelist

IPv4 Addresses

• 103.230.142.38
• 81.31.213.121
• 103.230.142.42

IPv6 Addresses

• 2a14:7581:c01:4a::1
• 2a14:7581:c01:41::10
• 2a14:7581:300:e3c0::1

1. Postfix Mail Server

Steps:

1. Connect via SSH with root access.

2. Open the main configuration file:

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   vim /etc/postfix/main.cf

3. Add the IPs to the mynetworks directive:

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   mynetworks = 127.0.0.0/8, [::1]/128, 103.230.142.38, 81.31.213.121, 103.230.142.42, 2a14:7581:c01:4a::1, 2a14:7581:c01:41::10, 2a14:7581:300:e3c0::1

4. Restart Postfix:

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   systemctl restart postfix

2. Exim Mail Server

Steps:

1. Connect to the server as root.

2. Edit the configuration file:

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   vim /etc/exim/exim.conf

3. In the acl_check_rcpt section, insert:

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   accept
     hosts = 103.230.142.38 : 81.31.213.121 : 103.230.142.42 : 2a14:7581:c01:4a::1 : 2a14:7581:c01:41::10 : 2a14:7581:300:e3c0::1

4. Restart Exim:

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   systemctl restart exim

3. Microsoft Office 365 (Exchange Online)

Steps via Exchange Admin Center:

1. Go to Exchange Admin Center
2. Navigate to: Mail Flow > Rules
3. Create a new rule:
   • Name: Allow SpamProtect Gateway
   • Apply this rule if: The sender's IP address is in the specified range
   • Add IPs:
     • 103.230.142.38
     • 81.31.213.121
     • 103.230.142.42
   • Action: Bypass spam filtering
4. Save and apply.

4. Google Workspace (Gmail)

Steps via Admin Console:

1. Go to Google Admin Console
2. Navigate to: Apps > Google Workspace > Gmail > Advanced Settings
3. Under the appropriate domain or organization unit, click Add Setting
4. Add trusted IP addresses in the “Email whitelist” field:
   • 103.230.142.38
   • 81.31.213.121
   • 103.230.142.42

⚠️ Note: Google does not currently support IPv6 whitelisting in this context.

5. Save and deploy changes.

5. Zoho Mail

Steps via Control Panel:

1. Log into Zoho Admin Panel
2. Navigate to: Mail Administration > Anti-Spam Settings > IP Address Based Allow/Block List
3. Under Allowlist IPs, add:
   • 103.230.142.38
   • 81.31.213.121
   • 103.230.142.42
4. Save settings.

6. Other Mail Servers or Firewalls

General Instructions:

• Access your email server or firewall configuration interface.
• Look for sections such as Trusted IPs, Allow List, IP Whitelist, or similar.
• Add all listed IPv4 and IPv6 addresses.
• Make sure no general blocking rules or RBLs override this whitelist.

✅ Important Notes

• Ensure SPF, DKIM, and DMARC records are properly configured.
• Avoid blocking inbound relay messages from the listed IPs.
• If using SpamAssassin, Rspamd, or other anti-spam filters, consider adjusting trusted networks accordingly.

🔧 Need Help?

If you need assistance, reach out to us:

• Email: [email protected]
• Ticket Panel: Manager SpamProtect
• Website: https://spamprotect.me