Replace default smtp by smtp2go for mailserver Zimbra on a linux server.
Check VOIP forward to cellular phone on same server (this was working before)
I estimate one hour work for experienced Zimbra administrator
5 freelancers are bidding on average $133 for this job
I will do this job. I will setup SMTP2go for zimbra mailserver. feel free to talk . I am available on freelancer and catch by skype. happy to hear from you. best regards Ravinder sharma