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check for common mail subdomains

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This commit is contained in:
Matthew Saunders Brown 2023-06-16 09:08:17 -07:00
parent 322bf2a82d
commit 19fc7e41df
1 changed files with 22 additions and 0 deletions
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22
bin/letsencrypt-certonly.sh
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@ -99,6 +99,28 @@ fi
# copy above www subdomain section and modify as desired to
# automatically check for and add additional subdomains to cert
# check common additional mail subdomains
if [[ $domain = mail.* ]]; then
# check for imap subdomain
dns=`host -t A ${domain/mail./imap.}|grep 'has address'|awk '{ print $4 }'`
if [[ " ${ips[@]} " =~ " ${dns} " ]]; then
command="$command -d ${domain/mail./imap.}"
dnscheck=true
fi
# check for smtp subdomain
dns=`host -t A ${domain/mail./smtp.}|grep 'has address'|awk '{ print $4 }'`
if [[ " ${ips[@]} " =~ " ${dns} " ]]; then
command="$command -d ${domain/mail./smtp.}"
dnscheck=true
fi
# check for pop subdomain
dns=`host -t A ${domain/mail./pop.}|grep 'has address'|awk '{ print $4 }'`
if [[ " ${ips[@]} " =~ " ${dns} " ]]; then
command="$command -d ${domain/mail./pop.}"
dnscheck=true
fi
fi
# check if any of the dns lookups passed
if [[ "$dnscheck" = "false" ]]; then
echo "All dns checks failed, can't create cert."