Hello,
we repeatedly receive DMARC reports from [email protected] with
allegedly failed DKIM checks. The result is always "temperror". This happens
daily for all kind of domains, also under different top level domains.
Noone else is reporting temperrors on such a regular level and also at
Microsoft most messages (from the very same domains on the same day) pass the
DKIM check, so it's not like the DNS entries were broken. The numbers of failed
messages are not huge, but they happen frequently. Does anyone see such
behaviour in their DMARC reports from Microsoft as well?
Examples:
<record>
<row>
<source_ip>195.2.200.153</source_ip>
<count>17</count>
<policy_evaluated>
<disposition>none</disposition>
<dkim>fail</dkim>
<spf>pass</spf>
</policy_evaluated>
</row>
<identifiers>
<envelope_to>hotmail.com</envelope_to>
<envelope_from>shop.dm-drogeriemarkt.ba</envelope_from>
<header_from>shop.dm-drogeriemarkt.ba</header_from>
</identifiers>
<auth_results>
<dkim>
<domain>shop.dm-drogeriemarkt.ba</domain>
<selector>acl20211215</selector>
<result>temperror</result>
</dkim>
<spf>
<domain>shop.dm-drogeriemarkt.ba</domain>
<scope>mfrom</scope>
<result>pass</result>
</spf>
</auth_results>
</record>
------------------------------------------
<record>
<row>
<source_ip>136.243.101.209</source_ip>
<count>9</count>
<policy_evaluated>
<disposition>none</disposition>
<dkim>fail</dkim>
<spf>pass</spf>
</policy_evaluated>
</row>
<identifiers>
<envelope_to>hotmail.com</envelope_to>
<envelope_from>rp.news.dm.de</envelope_from>
<header_from>news.dm.de</header_from>
</identifiers>
<auth_results>
<dkim>
<domain>news.dm.de</domain>
<selector>elaine</selector>
<result>temperror</result>
</dkim>
<spf>
<domain>rp.news.dm.de</domain>
<scope>mfrom</scope>
<result>pass</result>
</spf>
</auth_results>
</record>
------------------------------------------
<record>
<row>
<source_ip>213.128.132.138</source_ip>
<count>6</count>
<policy_evaluated>
<disposition>none</disposition>
<dkim>fail</dkim>
<spf>pass</spf>
</policy_evaluated>
</row>
<identifiers>
<envelope_to>hotmail.com</envelope_to>
<envelope_from>unserdm.at</envelope_from>
<header_from>unserdm.at</header_from>
</identifiers>
<auth_results>
<dkim>
<domain>unserdm.at</domain>
<selector>keyingress</selector>
<result>temperror</result>
</dkim>
<spf>
<domain>unserdm.at</domain>
<scope>mfrom</scope>
<result>pass</result>
</spf>
</auth_results>
</record>
--
BR Oliver
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