Ticket Example : AME-549-28185
Referring to the ticket issue above, the legitimate domain was listed as SPAM. Below are the solutions that user can try after ssh to the nameserver and entering root.
First, go to MxToolBox and check if the IP address is blacklisted or not. Then, go to terminal and type
Check the IP address by typing
ifconfig
Next, enter edit mode by executing the command line below.
vi /etc/exim.conf
Change the IP address (in interface) according to the IP address found in ifconfig
remote_smtp:
driver = smtp
interface = 103.21.180.48
helo_data = ns39.ipserverone.com
dkim_domain = $sender_address_domain
dkim_selector = x
dkim_private_key = ${if exists{/etc/virtual/$sender_address_domain/dkim.private.key}{/etc/virtual/$sender_address_domain/dkim.private.key}{0}}
dkim_canon = relaxed
dkim_strict = 0
Lastly,
/etc/init.d/exim restart