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Posted 07 February 2015 - 06:23 AM
Posted 07 February 2015 - 08:18 PM
What settings are you using for your incoming gateway? Are any and all domains allowed? What sort of spam filtering are you using on incoming messages? Do you have the VRFY and EXPN commands enabled? These last two are considered security risks, as they allow others to verify whether your email addresses are valid, and to list all users associated with an alias or mailing list -- spammers lover this kind of info.
You may want to try using the only local domains setting instead, as this should limit access to only those domains on your mail server.
You should start at help.smartertools.com.
Posted 10 February 2015 - 03:51 AM
Thank you for the message.
1. Settings for the incoming gateway - which settings you mean exactly?
2. Are any and all domains allowed - yes.
3. What sort of spam filtering are you using on incoming messages - just the regular SmarterMail spam filter and bayesian filter.
4. VRFY and EXPN - no.
Posted 10 February 2015 - 12:56 PM
Another example why ALL accounts need to have complex passwords. A simple dictionary attack exploited that address; make sure those passwords get changed.
Posted 23 February 2015 - 04:53 PM
I would do a full virus scan on every system in the network. They could of dropped all kinds of nasties.
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