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by tmcdos
76 days ago
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After some investigation, it looks like only mailgun.org is declared in ValiMail but not mailgun.net, e.g. a DNS query for 198.244.56.66._ip.c66.c5341538.usw1.send.mailgun.net._ehlo.upwork.com._spf.vali.email
returns "v=spf1 include:mailgun.org -all" |
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