Here’s the deep root-cause analysis for Aug 1–31, 2025.
Aug 26–29, 2025 — Soft-bounce spike — Internal processing errors at Gmail (Laneful is aware of this issue and our team is already working on it.)
- Root cause: transient internal processing errors triggered Gmail deferrals.
- Impact on metrics: soft-bounce rate rose from 2.49% to 4.40% (+1.92 pts), moving from average → bad.
- Email providers
- Most affected: Gmail — 83.10% (59)
- Least affected: Other — 16.90% (12)
- Tags
- Most affected: 4-2.1-1 (25%, 2), 1-0.1-3 (25%, 2)
- Least affected: 5-2.2-5 (25%, 2), 3-2.0-0 (25%, 2)