fix: Open-DKIM key generation broken

[luke-]

With ENABLE_OPENDKIM=1 and ENABLE_RSPAMD=1 it's currently not possible to create DKIM Keys

Description

Fixes #

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Improvement (non-breaking change that does improve existing functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (README.md or the documentation under docs/)
• If necessary I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[georglauterbach]

Good observation! I'd actually like to error-out in a fail-fast way. This patch would hide a misconfiguration. I will add a suggestion.

[luke-]

@georglauterbach Thanks, just merged your suggestion.
Fyi: Not tested it. I'm not a bash scripting pro. Is there a fi missing?

[georglauterbach]

@georglauterbach Thanks, just merged your suggestion.

Fyi: Not tested it. I'm not a bash scripting pro. Is there a fi missing?

There is 😂 Good observation!

[luke-]

Ok, I've fixed and tested it.

[georglauterbach]

Tests running now. I'll merge when all tests check out.