Forum Discussion
Cannot send email if the main address is redirecting to gmail
Hello Everyone, I've an issue which i cannot see what is happening, If I send an email to a gmail account, it works perfectly. but if I send an email to a custom address and that specific addre...
Is it to a contact or with mailforwarding?
Exchange version?
Maybe some more information would help
Exchange version?
Maybe some more information would help
it's a mail forwarding and we are using exchange 2016 version 15.1 (2308.8) , I could replicate this. I have an hotmail account which is forwarding to a gmail account, if I send an email to gmail works fine, if I send an email to hotmail account I got this specific error.
@gmail
Remote Server returned '550-5.7.26 This message does not pass authentication checks (SPF and DKIM both 550-5.7.26 do not pass). SPF check for [DOMAIN.COM] does not pass with ip: 550-5.7.26 [].To best protect our users from spam, the 550-5.7.26 message has been blocked. Please visit 550-5.7.26 for more 550 5.7.26 information. v18-20020a17090610d200b008845c668415si19935811ejv.687 - gsmtp'
