Open Relay question

[Keith Smith]

Ok,  thanks!!


On 2015-10-11 15:36, Sesso wrote:
> Configure an email address that is not on your server to go through
> your server and see if its rejected.
> 
> 
> jason
> 
> 
>> On Oct 11, 2015, at 3:34 PM, Keith Smith <techlists at phpcoderusa.com> 
>> wrote:
>> 
>> 
>> 
>> 
>> Hi,
>> 
>> How can I verify my server is not an open relay which will allow 
>> others to send spam through my box?
>> 
>> Ubuntu 14.04LTS
>> Postfix+Dovecot
>> 
>> Thanks in advance
>> 
>> Keith
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-- 
Keith Smith