Road Runner High Speed Online started in 1995 under the Time Warner Cable (TWC) company umbrella, delivering internet access services during the early days of the Internet. In 2012, the Road Runner brand name was retired and replaced with the Time Warner Cable brand name.
Charter Communications acquired TWC in 2016 and the service is now known as Spectrum Internet. It currently has approximately 9 million mailboxes. Charter Communications is integrating the Charter and TWC email infrastructures.
Infrastructure
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Region: |
North America - U.S. |
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Domains: |
twc.com, adelphia.net |
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Connection / Throughput: |
TWC throttles your email based on your IP address sending reputation and having forward confirmed reverse DNS (FCrDNS). |
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Feedback Loop (FBL): |
A feedback loop is no longer available as of October 19, 2017. |
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Postmaster Site: |
TWC delivery mediation
TWC has a public escalation process for delivery problems. Send an email to: unblock@charter.net with information regarding your delivery problem; including the IP address, sending domain, campaign subject line and date, and a summary of the issues.
Prior to contacting TWC, attempt to investigate and fix the root cause of the issue and ensure you are following their sending best practice guidelines.
Validity guidance
Validity understands TWC well and may be able to diagnose deliverability issues.
