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Who We Are
- - The Global Cyber Alliance has a singular purpose: to reduce cyber risk. Learn about our goals, our impact, and meet the minds behind our mission.
Programs & Initiatives
- - At GCA, our core programs – Internet Integrity and Capacity & Resilience – aim to tackle key challenges of interent infrastructure, privacy, and safety.
- - Internet Integrity Program
    - Domain Trust
    - AIDE
  - Cyber Civil Defense
- - Capacity & Resilience Program
    - GCA Toolkits
    - Actionable Cybersecurity Tools
Tools
- - We create free, useful tools that make a real impact on improving security for organizations and individuals. Explore our tools here.
Get Involved
- - There are many ways that you can become part of our global effort. Whether it’s using one of our tools to help improve your own cybersecurity, partnering with us on cutting edge projects, or investing resources, your involvement is what makes our success possible!
- - Use a Tool
  - Become a Partner
- - Community Forum
  - Donate
News & Events
- - Explore the latest news from across the GCA community, find upcoming webinars and local events, and dive deeper into resource content.
- - News
  - Events
- - Blog
  - Reports & Publications

Back to Resources

Resource

DMARC Implementation Guides

June 21, 2018

250ok.com

DMARC Wizard – https://250ok.com/tools/dmarc-wizard/
SPF Analyzer – https://250ok.com/tools/spf-analyzer/
DMARC Reporting Services – https://250ok.com/services/#authentication

Adestra

Agari

Lookup or Generate DMARC Record – https://www.agari.com/resources/tools/dmarc/
Lookup DKIM Records https://www.agari.com/resources/tools/dkim/
Lookup SPF Records https://www.agari.com/resources/tools/spf/
DMARC reporting Services – https://www.agari.com/products/

Amazon SES

Cisco

Ironport – Enable DMARC Verification – https://www.cisco.com/c/dam/en/us/products/collateral/security/esa-spf-dkim-dmarc.pdf
Ironport – DKIM Signing – https://jaapwesselius.com/2017/02/24/cisco-email-security-appliance-and-dkim-signing/

Constant Contact

SPF and DKIM – https://knowledgebase.constantcontact.com/articles/KnowledgeBase/5932-self-publishing-for-authentication

DKIM

DKIM.org

DMARC

DMARC.org
GCA DMARC Webinar – https://youtu.be/hhW2VqZrx44
Reporting tools – https://dmarc.org/resources/code-and-libraries/

DMARCAnalyzer

DMARC Reporting Services – https://www.dmarcanalyzer.com/
How to Create a DMARC record – https://www.dmarcanalyzer.com/how-to-create-a-dmarc-record/
DMARC Deployment workflow within DMARC Analyzer – https://www.dmarcanalyzer.com/dmarc-deployment-workflow/

DMARCian

DMARC Inspector – https://dmarcian.com/dmarc-inspector/
SPF Survey – https://dmarcian.com/spf-survey/
DKIM Inspector – https://dmarcian.com/dkim-inspector/
DMARC Reporting Services – https://dmarcian.com/pricing/
DMARC Report XML to Human Converter – https://dmarcian.com/xml-to-human-converter/

DreamHost

EasyDMARC

DMARC, SPF, DKIM, BIMI tools – https://easydmarc.com/tools/
DMARC XML Report Analyzer https://easydmarc.com/tools/dmarc-aggregated-reports
DMARC Lookup and Record Generator https://easydmarc.com/tools/dmarc-record-generator/
DMARC Records Tools https://easydmarc.com/dmarc-record-tools
DKIM Record Generator https://easydmarc.com/tools/dkim-record-generator/
SPF Lookup and Record Generator https://easydmarc.com/tools/spf-record-generator/
SPF Record Check https://easydmarc.com/spf-record-check-tools
Easy SPF (Solve SPF too many lookups issue) https://easydmarc.com/easy-spf-too-many-dns-lookups/

FrauDMARC

DMARC Reporting Service – https://www.fraudmarc.com/
Free DMARC Report tool – https://github.com/Fraudmarc/fraudmarc-ce

Google G Suites

SPF – https://support.google.com/a/answer/178723?hl=en
DKIM – https://support.google.com/a/answer/174124?hl=en

iContact

Kerios Connect

DKIM
- Enable DKIM Signing – https://manuals.gfi.com/en/kerio/connect/content/server-configuration/security/authenticating-messages-with-dkim-1482.html
- Generate DKIM Keys – https://manuals.gfi.com/en/kerio/connect/content/server-configuration/security/configuring-dns-for-dkim-1483.html

MailChimp

SPF and DKIM – https://kb.mailchimp.com/accounts/email-authentication/set-up-custom-domain-authentication-dkim-and-spf
Step-by-step video – https://youtu.be/beUEa6Ft3f4

Mailgun

SPF and DKIM – http://knowledge.ondmarc.com/mailgun/configure-spf-and-dkim-with-mailgun

Marketo

Mimecast

Enable DMARC Verification (for Mimecast customers only – login required) – https://community.mimecast.com/docs/DOC-1400

MX Toolbox

SPF Lookup – https://mxtoolbox.com/spf.aspx
DMARC Lookup – https://mxtoolbox.com/dmarc.aspx
DKIM Lookup – https://mxtoolbox.com/dkim.aspx
DMARC Reporting Services- https://mxtoolbox.com/c/products/mxdeliverycenter?abt_id=AB-398&abt_var=Variation

NIST.gov

HAD Email Test Tool – https://email-test.had.dnsops.gov/

Office 365

Step-by-step Video (o365 and GoDaddy) – https://youtu.be/WRe1eizjYaA
Information on how to setup SPF, DKIM and DMARC:
- SPF – https://technet.microsoft.com/en-us/library/dn789058(v=exchg.150).aspx
- DKIM – https://technet.microsoft.com/en-us/library/mt695945(v=exchg.150).aspx
If the DKIM enable option is not present in Office 365, follow these instructions:
- http://www.wave16.com/2016/03/office-365-dkim-no-dkim-keys-saved-for.html
- Connect to Exchange Online PowerShell – https://technet.microsoft.com/en-us/library/jj984289(v=exchg.160).aspx

OnDMARC

Knowledge base – https://knowledge.ondmarc.com/
A Buyer’s Guide to DMARC – https://ondmarc.com/insight
Check your current DMARC status – https://ondmarc.com/
DMARC reporting Services – https://ondmarc.com/

ParseDMARC

Free open-source DMARC report analyzer – https://github.com/domainaware/parsedmarc

ProtonMail

SPF and DKIM – https://protonmail.com/support/knowledge-base/anti-spoofing/

Salesforce

SPF and DKIM – https://help.salesforce.com/articleView?id=pardot_email_authentication_implement.htm&type=0
Step-by-step video – https://youtu.be/UfbeJ_4I24I

SPF

RFC for SPF – https://tools.ietf.org/html/rfc7208

Symantec Email Security.cloud

DMARC Verification – https://support.symantec.com/en_US/article.HOWTO124382.html
DMARC Reporting – https://support.symantec.com/en_US/article.HOWTO128206.html

Trend Micro

DMARC Verification – http://docs.trendmicro.com/en-us/enterprise/hosted-email-security-administrator-guide/inboundoutbound-prot/about-dmarc.aspx

Trustwave

SPF with SEG – https://www3.trustwave.com/support/kb/KnowledgebaseArticle11560.aspx
DKIM with SEG – https://www3.trustwave.com/support/kb/KnowledgebaseArticle20841.aspx

UK National Cyber Security Centre

DMARC Reporting tool – https://github.com/ukncsc/mail-check

Unlock the Inbox

https://www.unlocktheinbox.com/
Send an email to [email protected] to check your DKIM key is valid

Valimail

DMARC Status Checker – https://www.valimail.com/dmarc/domain-checker#/
What Is DMARC? – https://blog.valimail.com/what-is-dmarc
DMARC Reporting Services – https://www.valimail.com/
Step-by-Step Guide to Configure Valimail for DMARC Monitoring With Office 365 and Azure SSO
https://www.infusedinnovations.com/blog/secure-intelligent-workplace/step-by-step-guide-to-configure-valimail-for-dmarc-monitoring-with-office-365-and-azure-sso

WIX

Create TXT Record – https://support.wix.com/en/article/adding-or-updating-txt-records-in-your-wix-account

Zoho

Email Authentication (SPF & DKIM) – https://www.zoho.com/crm/help/email/email-authentication.html

cyber cyber security cybersecurity DKIM DMARC email email authentication phishing SPF spoofing

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