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feat(dkim): make key size configurable and allow keys to be rotated

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Adam Cooke
2026-10-01 12:32:46 +01:00
committed by GitHub
parent ced77a3860
commit d96eddbade
16 changed files with 845 additions and 93 deletions
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doc/config/yaml.yml
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@@ -147,6 +147,8 @@ dns:
helo_hostname:
# The identifier to use for DKIM keys in DNS records
dkim_identifier: postal
# The size (in bits) of RSA key to generate for DKIM signing (one of 1024, 2048, 3072 or 4096). Note that records for 2048-bit and larger keys exceed 255 characters and must be published as a split (multi-string) TXT record.
dkim_key_size: 2048
# The prefix to add before TXT record verification string
domain_verify_prefix: postal-verification
# The domain to use on external domains which points to the Postal return path domain