What might be causing the error below?
I cant install any updates on Virtualmin GPL system (which is my backup for Virtulamin Professional mail server)
mxtoolbox returns the following…i havent touched the server settings in ages, so i dont know why all of a sudden this is happening?
SMTP Banner Check Reverse DNS does not match SMTP Banner More Info
SMTP TLS Warning - Does not support TLS. More Info
SMTP Transaction Time 24.312 seconds - Not good! on Transaction Time More Info
SMTP Reverse DNS Mismatch OK - 123.456.789 resolves to host1.domain.com.au
SMTP Valid Hostname OK - Reverse DNS is a valid Hostname
SMTP Connection Time 0 seconds - Good on Connection time
SMTP Open Relay OK - Not an open relay.