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Folks,I run a global online community and we are finding some of our users are not getting emails, this seems to only be happening when the recipient is using Ciscos Secure Email Gateway solution. I have submitted a sample of our emails to the not_ad...
Hi all,@charella Thanks yes we have DMARC already. Your question made me go back and check a few things through so let me share what I found:Not having a valid MX record was resulting in some Cisco Secure Email Gateway instances hard bouncing the mai...
So for this community they have the same SPF we do:TypeDomain NameTTLRecordTXTcommunity-email.cisco.com600v=spf1 include:us.khoros-mail.com -allObviously ours has our domain in the domain column, however neither cisco nor us have a PTR record or an a...
So its looking like the source of our problem maybe because Cisco Secure Email Gateway is doing a domain lookup on the sender domain. Since the domain doesn't actually resolve (its only used to send email) there is no a record. So I think I need an M...
Hi Ken,Thanks we already checked talosintelligence and it says our domains are trusted and not blocked. Yes we have SPF and DKIM setup.What is interesting is that the cisco community here uses the same community platform and also uses DKIMs so I am t...
