# What this PR does
Adds flexibility of the method of encryption in the SMTP email app. Some
email servers are configured to use port 465 (intrinsic TLS) which
requires `EMAIL_USE_SSL` instead of `EMAIL_USE_TLS`.
## Which issue(s) this PR fixes
Fixes https://github.com/grafana/oncall/issues/1044
## Checklist
- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)
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Co-authored-by: Joey Orlando <joey.orlando@grafana.com>
Co-authored-by: Joey Orlando <joseph.t.orlando@gmail.com>
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