IP Reputation

What is IP Reputation?

Every email you send leaves your server via an IP address. Receiving mail servers check that IP's reputation before deciding whether to accept the message. IP reputation is affected by:

• How often and how many emails you send
• Spam complaint and bounce rates
• Proper email authentication (SPF, DKIM, DMARC)
• The quality and relevance of your email content

At OnePoundEmail, your emails share IP addresses with other users. Keeping those IPs trusted benefits everyone. Equally, bad actors on shared IPs can affect all users, which is why we take infrastructure quality seriously.

Why It Matters

Major email providers such as Gmail, Outlook, and Yahoo check IP reputation before accepting messages. A poor reputation can result in your emails being blocked or routed to spam, regardless of their content. OnePoundEmail actively works to keep IP reputation high across all our servers.

How We Protect IP Reputation

1. Monitoring and Restrictions

• We block sending to invalid or non-existent email addresses.
• Sending to unverified bulk mailing lists is not permitted.
• Suspicious or spam-like sending behaviour is automatically limited.

2. Email Filtering

• Automated tools scan outgoing emails for spam signals. No humans read your emails.
• Email format and authentication are checked before sending.

3. IP Rotation

• If an IP develops issues, we stop using it temporarily.
• Outgoing email is routed through clean IPs to maintain delivery rates.

4. Backup Delivery

• If initial delivery fails, emails are routed through alternate servers.
• Multiple delivery attempts are made over 24 hours before a message bounces.

How You Can Help

• Keep your email lists clean and up to date.
• Always honour unsubscribe requests promptly.
• Only send emails to recipients who have asked to hear from you.
• Configure SPF, DKIM, and DMARC correctly for your domain.
• Monitor bounce rates and resolve issues quickly.

What to Do If Emails Are Not Delivering

• Check if emails are landing in recipients' spam folders.
• Verify your SPF, DKIM, and DMARC records are correctly set up.
• Test your sending reputation using a tool such as mail-tester.com.
• Avoid spam trigger words or unusual formatting in your emails.
• Check whether the recipient's provider has unusually strict filtering.