After migrating my link and fix my DNS, my anti-spam had presented problems. Now do not go out a few emails and some do not come, see what comes up in my log...
Output comand zmprov gacf | grep zimbraMtaRestriction
Nov 28 10:29:55 s1 postfix/smtp: 1AF8726832F: host mx2.alcatek.your.domain[189.38.xxx.aaa] said: 421 4.7.1 Service unavailable; Client host [200.102.xxx.aaa] blocked using zen.spamhaus.org; http://www.spamhaus.org/query/bl?ip=200.102.xxx.aaa (in reply to RCPT TO command)
I did several tests, follow several tips in the forum but none fit my problem.
[zimbra@s1 conf]$ zmprov gacf | grep zimbraMtaRestriction