Created
February 17, 2018 22:28
-
-
Save JorgenEvens/bdfcd350d4e4e1c087e2fe8f85f1797d to your computer and use it in GitHub Desktop.
Generate DKIM key pair and entry for in your bind zones.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/sh | |
DOMAIN=$1 | |
SELECTOR=${2:-mail} | |
if [ -z "$DOMAIN" ]; then | |
echo "Usage: $0 domain" | |
exit 1; | |
fi | |
openssl genrsa -out dkim-${DOMAIN}.key 2048 | |
openssl rsa -in dkim-${DOMAIN}.key -out dkim-${DOMAIN}.pub -pubout -outform PEM | |
DNS=`cat dkim-${DOMAIN}.pub | grep -v "-"` | |
echo "Add the following record to your DNS zone." | |
echo "##########################################" | |
echo "" | |
echo "${SELECTOR}._domainkey IN TXT ( \"v=DKIM1; t=y; k=rsa; p=\"" | |
for line in $DNS; do | |
echo "\t\"${line}\"" | |
done | |
echo ")" |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment