Paolo De Michele: > Hi there, > > I configured a postfix version 2.11 on ubuntu 14.04 LTS x64 > When I send an email to gmail account and other (like hotmail.it) the > emails end up in the spam box (the IP domain is not blacklisted) > I would know why.
Set up an IPv4 DNS PTR record that resolves to your hostname.
Do the same for for IPv6, if you have IPv6 enabled.
Use the above hostname in the Postfix myhostname setting.
Sign mail with DKIM.
Set up an SPF record.
Wietse
