We have an existing Zimbra Installation Mail Server in Our Local small office, when we send out a mail 70% of our sending mail are checked as a "SPAM" we need to fix these problem.
we use Static IP connection SHDSL dedicated to our mailserver.
developer can work over teamviewer with SSH from local machine.
6 freelancers are bidding on average €27 for this job
Am a bulk email server expert, i know why your email might be going to spambox, send me message so i ask you some more questions before we proceed. thanks