I have problems in my zimbra mail server
my mail server ip is blocked in Hotmail server and always give me this msg
Please contact
your Internet service provider since part of their network is on our block
list (S3140)
Hello !
Im experienced sysadmin with almost 3 years of experience i can assist you fixing this issue. I've à good experience in managing servers. If you are interested please feel free to contact me. Thank you !
I could help you to perform an assessment of the configuration that causes possible failure of the service using the SPF and DKIM records. As well as the evaluation of other security elements of the Zimbra platform.