For few days i have been receiving errors from users trying sending email to Gmail accounts that spf/dkim is not showing
than another domain that ptr is not working.
I have Assp Running so i tought that was the issue but after disabling ASSP Services the error Continued.
Than i Turn Off CSF and all emails started going trough so was happy but than 2 hrs later it started getting block again....
So i reinstalled the CSF and it works fine for 2-3 hrs than email to gmail start failing again ...
ECDHE-ECDSA-AES128-GCM-SHA256:128 CV=yes: SMTP error from remote mail server after end of data: 550-5.7.26 This message does not pass authentication checks (SPF and DKIM both\n550-5.7.26 do not pass). SPF check for [domaincom] does not pass with\n550-5.7.26 ip: [162.XXXX.XX].To best protect our users from spam, the\n550-5.7.26 message has been blocked. Please visit\n550-5.7.26 https://support.google.com/mail/answer/ ... entication for more\n550 5.7.26 information. dr11-20020a170907720b00b0073d5b609447si19526093ejc.324 - gsmtp
If i disable CSF email stops failing...
I dont want to disable firewall but at the same time i cant keep disabling and enabling it every 2 hrs
any suggestions ?
im on ConfigServer Security & Firewall - csf v14.17