New ask Hacker News story: Ask HN: How to Stop Gmail Rate-Limiting

Ask HN: How to Stop Gmail Rate-Limiting
2 by foxylad | 0 comments on Hacker News.
Gmail messages from one of our mail servers (190.92.179.88) suddenly started being rate-limited a week ago. This affects thousands of Google's customers, who are getting their booking confirmations over 24 hours late. We comply with every part of Gmails bulk sender guidelines. Both servers are registered with Postmaster Tools and have 0.0% spam stats; both have PTR, SPF and DMARC records; all messages are DKIM signed; neither server is on any blacklists. We've filled in the form referred to on Gmail's bulk sender guidelines page twice, with no response or effect, and are now faced with the common problem of transmitting meaningful information through the Google event horizon. Is anyone else experiencing this? Has anyone solved this in the past? Any Googlers able to pull a few strings to help thousands of YOUR customers?

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