Problem SPAM RELAY

[Nando_br]

Dears,

I have zimbra version 5.x instaled in my work, everyday my zimbra suffering spam relay, I caught the logs of sniffer and threat machine tries to relay with script below:

helo user
250 egsbr-mail.egsbr.local
auth login
334 VXNlcm5hbWU6
cG9zdG1hc3Rlcg== or YWRtaW4=
334 UGFzc3dvcmQ6
MTIzNDU2
235 2.0.0 Authentication successful
rset
250 2.0.0 Ok
mail from: teste@teste.com
250 2.1.0 Ok

Someone have this experience?
someone must be able solve this?

Thankyou.

[Nando_br]

bump ?? any feedback on this.

[phoenix]

bump ?? any feedback on this.

Zimbra, by default, is not an open relay unless you've made changes that make it one. Run a test on your server and/or search the forums for answers to this question.

[tribear]

Tried Anonymous Relay Test

Passed the test.... :-)

Thanks phoenix