# Retroactive Incident - Issues with encoded Special Characters in email From headers

- Provider: [SendGrid](https://down.guide/providers/sendgrid)
- Confidence: Confirmed
- Impact: Degraded
- lasted 0m
- started 2026-08-05 18:48 UTC
- id: DWN-8af17f1324
- Official page: https://stspg.io/3zp6hcd78rf3

## Updates from SendGrid
### 2026-08-05 18:00 UTC: resolved
Starting on July 16th 2026, to July 31st 2026, customers may have encountered errors when sending emails via SMTP with encoded special characters in the From header. Our engineers noticed the issue and apply a fix to correct it. There is no data loss. The issue has been resolved, and all impacted services are operating normally.

From the builder: does your app depend on SendGrid? [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=sendgrid) detects problems in your own logs without hand-written monitors, and you can ask it in plain language which errors mention SendGrid.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=DWN-8af17f1324), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.