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🇦🇺 Email Security in Australia

Weekly audit of email security across 190 listed companies headquartered in Australia.

190 companies analysed · Scan week: 2026-03-23

  • Listed companies headquartered in Australia score an average of 42/100 for email authentication and DNS security.
  • 0% of Australia companies achieve grades A+ or A in email security, while 59% score D or F.
  • This matches the global average of 42 across all 1601 companies.
  • DMARC email authentication is deployed by 84.2% of Australia companies, with 46.3% enforcing a reject policy to prevent domain spoofing.
  • SPF records are published on 88% of analysed domains, authorizing legitimate email senders.
  • BIMI brand indicator adoption stands at 11% in Australia.
  • MTA-STS enforced TLS encryption is deployed by 2% of companies, securing inbound email delivery.
  • DNSSEC domain signing is active on 5.8% of Australia domains.
  • The highest-scoring company is Evolution Mining with 73/100 (B).
  • Scentre Group trails at 0/100, with significant room for improvement.
  • Scores range from 0 to 73 with a median of 47, showing disparate email security postures across Australia listed companies.

Average score

42/ 100

DMARC reject

46.3%

BIMI configured

11%

MTA-STS enforce

2%

DNSSEC enabled

5.8%

0
A+
0
A
6
B
71
C
83
D
30
F

42

Average

47

Median

0

Min

73

Max

Grade
1Evolution Miningevolutionmining.com.au73+2B
2Bank of Queenslandboq.com.au73B
3Credit Corp Groupcreditcorp.com.au73B
4Bramblesbrambles.com71B
5Ramelius Resourcesrameliusresources.com.au70B
6James Hardiejameshardie.com70B
7HUB24hub24.com.au68C
8Computersharecomputershare.com67C
9AMPamp.com.au67C
10Perseus Miningperseusmining.com67C
11Link Administrationlinkmarketservices.com66C
12GrainCorpgraincorp.com.au66C
13Cromwell Property Groupcromwell.com.au63C
14Goodman Groupgoodman.com62+3C
15Westpacwestpac.com.au60C
16Ansellansell.com60C
17Macquarie Groupmacquarie.com60C
18Seekseek.com.au59C
19Netwealth Groupnetwealth.com.au59C
20WiseTech Globalwisetechglobal.com58C
21Transurbantransurban.com58C
22APA Groupapa.com.au58C
23Zipzip.co58C
24REA Grouprea.com58C
25Qantasqantas.com58C
26CAR Groupcarsales.com.au58C
27Newcrestnewcrest.com.au58C
28Healiushealius.com.au58C
29Origin Energyoriginenergy.com.au57C
30Mineral Resourcesmineralresources.com.au56C
31Domain Groupdomain.com.au56C
32Woolworthswoolworths.com.au55C
33Challengerchallenger.com.au55C
34Sonic Healthcaresonichealthcare.com55C
35AUB Groupaubgroup.com.au55C
36Endeavour Groupendeavourgroup.com.au55+3C
37Medibankmedibank.com.au55C
38Super Retail Groupsuperretailgroup.com.au55C
39Aristocrat Leisurearistocrat.com55C
40Inghamsinghams.com.au55C
41Viva Energyvivaenergy.com.au55C
42Adbriadbri.com.au55C
43Boralboral.com.au55C
44BlueScopebluescope.com55C
45Blackmoresblackmores.com.au55C
46Worleyworley.com55C
47Lendleaselendlease.com54C
48Cleanawaycleanaway.com.au54C
49Deterra Royaltiesdeterraroyalties.com54C
50ALSals.com54C
51Bendigo & Adelaide Bankbendigoadelaide.com.au54C
52Nine Entertainmentnineentertainment.com.au54C
53Commonwealth Bankcommbank.com.au54+2C
54Telix Pharmaceuticalstelixpharma.com53C
55Ampolampol.com.au52C
56ASXasx.com.au52C
57Charter Hallcharterhall.com.au52C
58Charter Hall Long WALE REITcharterhall.com.au52C
59Charter Hall Retail REITcharterhall.com.au52C
60Dexusdexus.com52C
61Insurance Australia Groupiag.com.au52C
62Santossantos.com52C
63Steadfast Groupsteadfast.com.au52C
64InvoCareinvocare.com.au51C
65Pointsbet Holdingspointsbet.com51C
66Reece Groupreece.com.au51C
67Nickel Industries Limitednickelindustries.com51C
68Nanosonicsnanosonics.com51C
69BWP Trustbwptrust.com.au51C
70Stocklandstockland.com.au51C
71Magellan Financial Groupmagellangroup.com.au51C
72Lynaslynascorp.com51C
73Harvey Normanharveynorman.com.au50C
74Aurizonaurizon.com.au50+2C
75Coronado Global Resourcescoronadoglobal.com50C
76Core Lithiumcorelithium.com.au50C
77Pro Medicuspromedicus.com.au50C
78City Chic Collectivecitychic.com.au49D
79Costa Groupcostagroup.com.au49D
80QBE Insuranceqbe.com49D
81Northern Star Resourcesnorthernstarresources.com.au49D
82TechnologyOnetechnologyonecorp.com49D
83Seven Group Holdingssevengroup.com.au49D
84Shopping Centres Australasia Property Groupscaproperty.com.au49D
85National Australia Banknab.com.au49D
86Webjetwebjet.com.au48D
87De Grey Miningdegreymining.com.au48D
88Tyro Paymentstyro.com48D
89St Barbarastbarbara.com.au48D
90South32south32.net48D
91Bapcorbapcor.com.au48D
92Bega Cheesebegacheese.com.au48+1D
93Novonixnovonixgroup.com48D
94Sandfire Resourcessandfire.com.au48D
95Ramsay Health Careramsayhealth.com47D
96Australia & New Zealand Banking Groupanz.com47D
97Xeroxero.com47D
98GUD Holdingsgud.com.au47+1D
99Atlassian Corporationatlassian.com47D
100Imugeneimugene.com47D
101Paladin Energypaladinenergy.com.au47+2D
102AGL Energyagl.com.au47D
103Oricaorica.com46D
104Coles Groupcolesgroup.com.au46D
105Cochlearcochlear.com46D
106Telstratelstra.com.au46D
107Ororaororagroup.com46D
108Growthpoint Propertiesgrowthpoint.com.au46D
109EML Paymentsemlpayments.com45D
110Woodside Energywoodsideenergy.com45D
111Virgin Money UKvirginmoney.com44D
112Janus Hendersonjanushenderson.com44D
113Fisher & Paykel Healthcarefphealthcare.com44D
114Iressiress.com44D
115BHPbhp.com44D
116JB Hi-Fijbhifi.com.au43D
117Suncorpsuncorp.com.au43D
118Chalice Miningchalicemining.com43D
119Metcashmetcash.com.au43D
120Pilbara Mineralspilbaraminerals.com.au43D
121Iluka Resourcesiluka.com42D
122Incitec Pivotincitecpivot.com.au42D
123Tabcorptabcorp.com.au41D
124Nufarmnufarm.com41D
125Pinnacle Investment Managementpinnaclegroup.com41D
126New Hopenewhopegroup.com.au41D
127Flight Centreflightcentre.com.au41D
128Regis Resourcesregisresources.com.au41D
129TPG Telecomtpg.com.au41D
130Treasury Wine Estatestreasurywineestates.com40D
131Altiumaltium.com39D
132ARB Corporationarb.com.au39D
133Clinuvel Pharmaceuticalsclinuvel.com39D
134Star Entertainment Groupstar.com.au39D
135Independence Groupigo.com.au39D
136Choruschorus.co.nz38D
137Perpetualperpetual.com.au38D
138Megaportmegaport.com38D
139Arena REITarena.com.au38D
140Kelsian Groupkelsian.com.au38D
141Corporate Travel Managementtravelctm.com38D
142NextDCnextdc.com37+1D
143Wesfarmerswesfarmers.com.au37-2D
144Pendal Grouppendalgroup.com37D
145Downer Groupdownergroup.com36D
146Centuria Industrial REITcenturia.com.au36D
147Centuria Capitalcenturia.com.au36D
148Eagers Automotiveeagersautomotive.com.au36D
149Abacus Property Groupabacusproperty.com.au35D
150Beach Energybeachenergy.com.au35D
151Auckland Airportaucklandairport.co.nz35D
152Brainchipbrainchipinc.com35D
153Elderselders.com.au35D
154Oz Mineralsozminerals.com35D
155nibnib.com.au33D
156Waypoint REITwaypointreit.com.au33D
157Insignia Financialinsigniafinancial.com.au33D
158Premier Investmentspremierinvestments.com.au32D
159Mirvacmirvac.com32D
160Allkemallkem.co31D
161Gold Road Resourcesgoldroad.com.au29F
162Uniti Groupuniti.com.au29F
163Silver Lake Resourcessilverlakeresources.com.au29F
164Aluminaaluminalimited.com28F
165AVZ Mineralsavzminerals.com28F
166CSLcsl.com.au27F
167Collins Foodscollinsfoods.com.au23F
168Qube Holdingsqubeholdings.com23F
169Sims Metalsimsmetal.com15F
170National Storagensr.com.au14F
171IPHiph.com.au14F
172United Malt Groupunitedmaltgroup.com8F
173Vicinity Centresvicitymalls.com0F
174HomeCo Daily Needs REIThomeconet.com.au0F
175Fortescuefortescuegroup.com0F
176a2 Milk Companya2milkcompany.com0F
177Whitehaven Coalwhc.net.au0F
178Fletcher Buildingfletchers.co.nz0F
179Atlas Arteriaatlasarteria.com.au0F
180Breville Groupbrevellegroup.com0F
181Liontown Resourcesliontownresources.com.au0F
182Lifestyle Communitiesliferesidential.com.au0F
183GPT Groupgptgroup.com.au0F
184Event Hospitality and Entertainmentevententertainment.com.au0F
185Domino's Pizza Enterprisesdominospizza.com.au0F
186Reliance Worldwide Corporationrwccorp.com0F
187Ingenia Groupingeniagroup.com.au0F
188Brickworksbrickworkslimited.com.au0F
189IDP Educationidpabroad.com0F
190Scentre Groupsccentregroup.com.au0F

Understanding country-level analysis

Grouping companies by country reveals how corporate email security practices vary across markets. Countries with stricter regulatory environments or more mature cybersecurity ecosystems tend to show higher average scores.

What this page shows:

  • Average score - The mean email security score across all listed companies in this country
  • Grade distribution - How many companies fall into each grade bracket (A+ through F)
  • DMARC reject rate - The percentage of companies enforcing strict DMARC policies
  • Company table - Individual scores, grades and key indicator status

Key standards tracked

Each company is evaluated on:

  1. SPF - Is the sending policy properly configured? Does it use -all (hard fail)?
  2. DKIM - Are signing keys published and strong enough (2048-bit minimum)?
  3. DMARC - Is a policy in place? Is it set to quarantine or reject?
  4. BIMI - Is the brand logo published for inbox display?
  5. MTA-STS - Is inbound email transport encryption enforced?
  6. DNSSEC - Is the DNS zone signed to prevent spoofing?

FAQ - Frequently asked questions

Q: How are companies grouped by country?

A: Based on the stock exchange where they are listed.


Q: What standards are checked?

A: SPF, DKIM, DMARC, BIMI, MTA-STS, DANE/TLSA and DNSSEC.


Q: Can I compare countries?

A: Yes, via the Statistics page.


PagePurpose
Observatory DashboardOverall overview with key metrics
StatisticsCross-country and cross-sector comparison
Email Domain CheckAudit your own domain
Email Security of Listed Companies in Australia