[#4895] outgoing email logging improvements #14816

Job	Run time
End-to-end tests, chromium	13m 42s
End-to-end tests, firefox	16m 21s
Run the Django test suite	8m 21s
Build and check documentation	3m 20s
End-to-end tests, webkit	12m 44s
Run the Django test suite in reverse	5m 29s
Set up docker build 'dynamic' env variables	1s
docker_build (production) / Build image	2m 42s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 42s
Scan docker image	2m 5s
Simulate upgrading instances (2.7.4)	2m 42s
Simulate upgrading instances (2.7.8)	1m 24s
Check for unexepected OAS changes	5s
Validate OAS	18s
Generate SDKs from OAS	48s
Generate Postman collection from OAS	10s
Push Docker image	0s
update-docker-readme	0s
	1h 12m 54s

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