Pain point · Reliability & bugs · Blocks work
SMTP connection pool errors with SES on Lambda when sending campaigns
2 source threads · first seen 2020-04 · last seen 2023-08
Summary
A user on AWS Lambda with SES gets deadline and i/o timeout errors when sending campaigns or campaign tests, although the SMTP settings page test works.
- Affects
- User deploying on AWS Lambda with SES
Evidence
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“I get a mix of errors, all (I think) relating to the SMTP connection pool:”
“The same error occurs when sending campaigns, which makes sending email via AWS SES quite unpredictable”