The myNetworks of the indicated machine includes alrealdy the given ip 192.168.100.2...

Virtual when possible. For the obvious advantages of virtualization: snapshot before upgrade, virtual disks, vm migration, etc..
Pysical if you can't virtual.
Docker, as said before, is not supported

cesko446 wrote:zimbraMtaAuthEnabled FALSE
zimbraMtaSaslAuthEnable no
Restrict zimbraMtaMynetworks to the mailserver only. Done.

Then by definition only the local machine can send unauthenticated. Check if has been compromised, check auth.log, who, last, crontabs ...

Hi all,
maybe I'm looking in the wrong place, but i think i've searched all the NG documentation without finding it...
Is not anymore possible with NG modules to exclude the HSM from a the backups?
Basically the old zmbackup --excludeHsmBlobs ...

Go for steps:
- Disable authentication at MTA level, then restart MTA service.
- Restrict zimbraMtaMynetworks to the mailserver only.

It can't spam this way, if keeps spamming it wil come from the machine itself.

L. Mark Stone wrote:Any chance that your workstation/laptop from which you ssh'd in to Zimbra to make your password change has a keystroke logger compromise installed?

or a malicious wordpress plugin installed on your 446.it website?
Have you explicitly set the website ip address into zimbraMtaMynetworks?

cesko446 wrote:... i've setup a new password (64 chars) from ssh and restart ...

what exactly you restarted?

The first method sets a rule that refuses the connection if the sasl_username used to authenticate on your MTA differs from the MAIL FROM: line of the envelope. Basically if someone steals your credentials, can authenticate as you@yourdomain.com, and then send a lot oof spam to internal accounts as ...

IOwait is around 10% constantly.

there's a high probability that you have a disk issue. That means slow working mysql and mailboxd. That means general poor performances.

Give us some more info. You have the default domain "example.com", certificates for "mail.example.com" and access your webmail via "mail.example.com" url When you add a new domain "another.com", and you want to access it via "webmail.another.com" you...