Security/Domain: Difference between revisions
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==DNS » Record » TXT » SPF== | ==DNS » Record » TXT » SPF== | ||
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'''SPF TXT Record Format''' | '''SPF TXT Record Format''' | ||
v=spf1 ['''mechanism'''] ['''qualifier'''] ['''modifiers'''] ... | v=spf1 ['''mechanism'''] ['''qualifier'''] ['''modifiers'''] ... | ||
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# Run a Composite Check: | # Run a Composite Check: | ||
#* [https://dmarcian.com/domain-checker/ DMARCian » Domain Checker] | #* [https://dmarcian.com/domain-checker/ DMARCian » Domain Checker] | ||
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#*: No multiple TXT records | #*: No multiple TXT records | ||
#*: Only needed services included | #*: Only needed services included | ||
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==DNS » Record » TXT » DKIM== | ==DNS » Record » TXT » DKIM== | ||
Revision as of 08:26, 30 May 2025
Tools » Install » SPF
cat <<'EXE'| sudo bash
echo && git clone https://github.com/jsarenik/spf-tools.git /opt/cli/spf-tools
echo && cd /opt/cli/spf-tools/
./despf.sh -h
EXE
cat <<'CFG'| tee ${HOME}/.spf-toolsrc >/dev/null
DOMAIN=shahed.biz
ORIG_SPF=spf.shahed.biz
DESPF_SKIP_DOMAINS=_spf.google.com:_spf.sendgrid.net
DNS_TIMEOUT=5
DNS_SERVER=1.1.1.1
CFG
Tools » Install » DKIM
cat <<'EXE'| sudo bash
apt-get update;echo
apt list -a --upgradable;echo
apt-get install -y opendkim-tools;echo;apt-get clean
EXE
DNS » Record » TXT » SPF
SPF TXT Record Format v=spf1 [mechanism] [qualifier] [modifiers] ...
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DNS » Record » TXT » DKIM
Playground
dig MX chorke.org
dig TXT chorke.org
openssl s_client -connect mail.chorke.org:25
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apt info opendkim-tools
apt search opendkim-tools
sudo apt-get install -y opendkim-tools
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sudo git clone https://github.com/jsarenik/spf-tools.git \
/opt/cli/spf-tools
cd /opt/cli/spf-tools/
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References
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