OT: Multiple Outgoing IPs?

[Alex Neuman van der Hans]

Doc Schneider wrote:
> Jim Coates wrote:
>   
>>> -----Original Message-----
>>> From: mailscanner-bounces at lists.mailscanner.info 
>>> [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf 
>>> Of Paul Kelly :: Blacknight
>>> Sent: Monday, April 02, 2007 2:31 PM
>>> To: MailScanner discussion
>>> Subject: Re: OT: Multiple Outgoing IPs?
>>>
>>>
>>> Jim Coates wrote:
>>>       
>>>> Hey gang...
>>>>
>>>> This is totally off-topic, but I know there are some very smart 
>>>> individuals here who might have some ideas for me.
>>>>
>>>> The company I work for recently purchased another company (both 
>>>> companies are very small).
>>>>
>>>> Because of how we track bonded sender info and such, I need to have 
>>>> both domains (one for each company) sending outgoing mail 
>>>>         
>>> on different 
>>>       
>>>> IPs.
>>>>
>>>> Ideally, I don't want to add another mail server and would 
>>>>         
>>> like to be 
>>>       
>>>> able to take advantage of all the filtering and such that I have 
>>>> enabled on the existing *nix based mail server.
>>>>
>>>> I've been told that it is not possible to set outgoing IPs in 
>>>> SendMail, so I'm looking for suggestions of how I might be able to 
>>>> make this work.
>>>>
>>>>         
>>> Could you explain a little bit more as to what you need? I'll ask a 
>>> question or two so I can clarify what I think you want to do.
>>>
>>> You have an existing scanning machine where domain1.com 
>>> lives, is that 
>>> correct?
>>>
>>> You want domain2.com to have its inbound e-mail sent to this box and 
>>> have it delivered onto another mailserver by IP address, is 
>>> that correct?
>>>
>>> If you could answer that, I'll see what might work for you.
>>>
>>> Paul
>>>
>>>
>>>       
>> Paul,
>>
>> Here is exactly what I need:
>>
>> Domain one and domain two both already come inbound to the same box via
>> unique DNS mail records that both point to the same IP.  SendMail is
>> currently configured to accept both domains and route them to local users
>> (which is exactly how I want it to work on that end).
>>
>> I don't need to relay to another box, what I am looking to do is take mail
>> originating from the mail server and send it outbound from a different IP.
>>
>> For example, if I send an email to you as "jim at domain.one" it will come from
>> one IP address.  If I send you an email as "jim at domain.two", I want it to
>> come from a different IP address.
>>
>> I have multiple public IPs available to my box, I just don't know if its
>> possible to configure SendMail to always associate a particular outbound
>> domain with one IP and another outbound domain with another IP.
>>
>> Does that make sense?
>>
>> What we are trying to do is separate out the email so that bonded sender
>> information for one domain is not affected by the bounces and such from
>> another domain.
>>
>> Thanks,
>> Jim
>>
>>     
>
> Check out genericstable. I use it with sendmail to have different users
> come from different domains.
>
> Example:
> user1   user1 at domain.one
> user2    user2 at domain.two
>
> As long as the domains are different IPs it should do what you're wanting.
>
>   
Not exactly. He means "use a different IP address for every outgoing 
connection depending on the domain name used for the message". Not sure 
if he means the domain on the *envelope* or on the *header*, which are 
two different things.