[exim-cvs] Docs: clarify DKIM key generation

Gitweb: https://git.exim.org/exim.git/commitdiff/b0ba87102e53501a3d4abfe29288b2efc7816fea

Commit:     b0ba87102e53501a3d4abfe29288b2efc7816fea
Parent:     9555de77d7a57e65fff45a686f2430f46dbd38f5
Author:     Jeremy Harris <jgh146exb@???>
AuthorDate: Tue Feb 18 16:26:51 2020 +0000
Committer:  Jeremy Harris <jgh146exb@???>
CommitDate: Wed Feb 19 00:19:06 2020 +0000

    Docs: clarify DKIM key generation
---
 doc/doc-docbook/spec.xfpt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index fbcad3d..888eb7f 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -40175,6 +40175,8 @@ To generate keys under OpenSSL:
openssl genrsa -out dkim_rsa.private 2048
openssl rsa -in dkim_rsa.private -out /dev/stdout -pubout -outform PEM
.endd
+The result file from the first command should be retained, and
+this option set to use it.
Take the base-64 lines from the output of the second command, concatenated,
for the DNS TXT record.
See section 3.6 of RFC6376 for the record specification.