You would have to ask support but that may be dependent on late 
forwarding or some other attributes.

--Ed

On 11/24/2011 02:22 PM, Steve Perrault wrote:
> Ah. I see it doesn't work if the sender is using an alias domain.
> Perhaps this is a case of educating users on which account to use.
>
> - SteveP
>
> On 11/24/2011 1:51 PM, Ed wrote:
>> It's been around for a fairly long time.
>>
>> --Ed
>>
>> On 11/24/2011 12:29 PM, Steve Perrault wrote:
>>> Thanks Ed. This is exactly what I'm after. How did I miss this? Is it
>>> new for v5?
>>>
>>> - SteveP
>>>
>>> On 11/24/2011 12:19 PM, Ed wrote:
>>>> g_from_must_exist - Require local from addresses to exist or reject
>>>> mail
>>>>
>>>> Can be useful in blocking dumb spam robots
>>>>
>>>> Syntax: g_from_must_exist bool
>>>>
>>>>
>>>>
>>>> On 11/24/2011 11:00 AM, Steve Perrault wrote:
>>>>> SurgeMail Version 5.3i-31, Built Aug 24 2011 17:20:26, Platform Linux
>>>>> (Surgeweb Enabled)
>>>>>
>>>>> Am I missing a setting? Is it possible to do this with surgemail?
>>>>>
>>>>> Our surgemail mirrors host hundreds of domains. Our users are getting
>>>>> phish FROM a bogus account for the local domain. For instance,
>>>>>HIDDEN@mnsi.net will get email from accounting@mnsi.net, or
>>>>>HIDDEN@erservice@mnsi.net. I add the bogus addresses when they
>>>>> occur, but
>>>>> sometimes the sender is random text, likeHIDDEN@mnsi.net.
>>>>>
>>>>> This could be mitigated if the sender address or envelope sender is
>>>>> verified against the local user database when the sender's domain (in
>>>>> From, or envelope sender) is a locally hosted domain.
>>>>>
>>>>> Back in the days of sendmail, I had a ruleset in place to do this --
>>>>> compare FROM against passwd file). This was more to minimize customer
>>>>> viruses which would fake the sender address by changing a character in
>>>>> the user's email address (ie, change steve toHIDDEN@mnsi.net).
>>>>>
>>>>> - SteveP
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>>
>>
>
>
>

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