fix: incorrect SMTP error handling #3685

Job	Run time
Generate SDKs	1m 11s
Run tests and lints	17m 39s
Run Playwright end-to-end tests (postgres)	4m 45s
Run end-to-end tests (postgres)	38m 23s
Run Playwright end-to-end tests (cockroach)	5m 2s
Run end-to-end tests (cockroach)	40m 0s
Run Playwright end-to-end tests (sqlite)	4m 58s
Run end-to-end tests (sqlite)	39m 20s
Run Playwright end-to-end tests (mysql)	4m 40s
Run end-to-end tests (mysql)	37m 28s
Build CLI docs	1m 20s
Generate changelog	0s
Generate release	0s
Release SDKs	0s
Draft newsletter	0s
Render version schema	0s
Pending approval Slack notification	0s
Send newsletter	0s
	3h 14m 46s

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