diff options
author | Guilhem Moulin <guilhem@fripost.org> | 2018-12-03 23:13:04 +0100 |
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committer | Guilhem Moulin <guilhem@fripost.org> | 2018-12-04 01:14:45 +0100 |
commit | c21b92d9b79a80a27607618666b56fbc5cd26ac8 (patch) | |
tree | 264c8800eac3d6aeac734bbf43fdde40a16781ff /certs/dkim/README | |
parent | 50d5b3827eb9e342e499c053f330ac0bcfe424fa (diff) |
Upgrade DKIM keys to rsa2048, and allow for multiple keys.
Diffstat (limited to 'certs/dkim/README')
-rw-r--r-- | certs/dkim/README | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/certs/dkim/README b/certs/dkim/README new file mode 100644 index 0000000..e5addf9 --- /dev/null +++ b/certs/dkim/README @@ -0,0 +1,11 @@ +To convert a PEM-encoded public key to a TXT record, run + + $ SELECTOR="8f00fb94ec6c37aacb48bd43e073f9b7" + $ DOMAIN="fripost.org" + $ printf "%s._domainkey%s IN TXT (\n" "$SELECTOR" "${DOMAIN:+.$DOMAIN.}"; \ + { printf "v=DKIM1; k=rsa; t=s; s=email; p="; + sed '/^--.*--$/d' <"./certs/dkim/$SELECTOR.pub" | tr -d '\n'; + } | fold -w64 | sed 's/.*/ "&"/; $s/$/ )\n/' + +Remove the "t=s" tag if subdomaining or third-party signature (hosted +domain) is required, cf. RFC 6376 sec. 3.6.1. |