Error sending email - wrong version number with protonmail SMTP

[Nachtschwingeswildhunt]

I am experiencing the same error as @VincenzoKoestler in this issue . I am trying to use the SMTP services from protonmail (they work with other services) which run on port 587 and use TLS. Is there something I can do here?

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 Prisma schema loaded from prisma/schema.prisma
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 Datasource "db": PostgreSQL database "db", schema "public" at "rallly_db:5432"
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 42 migrations found in prisma/migrations
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 No pending migrations to apply.
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    ▲ Next.js 14.0.1
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    - Local:        http://rallly:3000
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    - Network:      http://100.0.0.244:3000
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  ✓ Ready in 144ms
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 Error sending email [Error: C03753BF6F7F0000:error:0A00010B:SSL routines:ssl3_get_record:wrong version number:../deps/openssl/openssl/ssl/record/ssl3_record.c:355:
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 ] {
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   library: 'SSL routines',
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   reason: 'wrong version number',
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   code: 'ESOCKET',
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   command: 'CONN'
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 }