How would you handle email send failures and retries?
198
21-May-2025
Utpal Vishwas
21-May-2025Handling email send failures and retries robustly is critical for a reliable email service. Here’s a solid approach to do this in C#:
1. Catch and Log Failures
2. Retry Policy
Use a retry mechanism with:
Implementing Retry with Polly
Polly is a great resilience library for .NET.
Note: You need to implement
IsTransient(SmtpException ex)to identify transient errors.3. Queue-Based Retry for Better Scalability
4. Dead Letter Handling
5. Fallback and Alerting
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