Why doesn't zimbra send messages the first time?

Question

Zimbra

Does not send messages in the web interface the first time
method: [unknown]
msg: Invalid address: Hello User . com.zimbra.cs.mailbox.MailSender$SafeSendFailedException: MESSAGE_NOT_DELIVERED;
chained exception is: com.zimbra.cs.mailclient.smtp.InvalidRecipientException : RCPT failed: Invalid recipient [email protected]:
550 https://192.168.15.57:8443/service/soap/SendMsgReq... request: Body: { SendMsgRequest: { _jsns: "urn:zimbraMail", m: { .... What to do for a normal send? Thank you

Answer 1

I had a problem using the stock DNS server from Zimbra,
Install zimbra-dnscache [Y] N
Used dnsmasq
/etc/dnsmasq.conf
server=8.8.8.8
listen-address=127.0.0.1
domain=company.com
mx-host=company .com,mail.company.com,0
address=/mail.company.com/10.10.50.10