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A comment on The City of Seattle Accidentally Gave Me 32M Emails for $40. Parent comment

Re:The City of Seattle Accidentally Gave Me 32M Emails for $40 by wolco on Sunday October 21, 2018 @01:59PM (#18269203)
DKIM and/or SPF can be a liability if you want to accept everyone's email. Only use if filtering is more important.
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