From Postmaster Email Bouncing

[Rick Cooper]

BTW: If you are not real comfortable with all the sendmail configs you might
want to look into installing webmin and using it to configure things, I
haven't used sendmail for many, many years but as I recall the webmin
interface helped makes sense out of all that dribble

Rick

Al Cooper wrote:
> These servers on our internal network and I don't want to have a
> public DNS record for each server, for all the world to see.
> 
> Al
> 
> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info
> [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Ken A
> Sent: Thursday, June 07, 2012 11:39 AM
> To: mailscanner at lists.mailscanner.info
> Subject: Re: From Postmaster Email Bouncing
> 
> If the host doesn't have an A record in DNS, it would be a good idea
> to add one!
> Ken
> 
> On 6/7/2012 11:58 AM, Al Cooper wrote:
>> Hi All,
>> 
>> 
>> 
>> A few weeks ago my server's emails sent from the postmaster user
>> started to bounce with the following error message:
>> 
>> 
>> 
>> The following addresses had permanent fatal errors
>> -----<user>@domain.com
>> 
>>      (reason: 553 5.1.8<root at server.domain.com>... Domain of sender
>> address root at server.doman.com does not exist)
>> 
>>      (expanded from:<root at server.domain.com>)
>> 
>> 
>> 
>> It appears that my email is being blocked because there are not DNS
>> records for the sub-domain server.domain.com.
>> 
>> 
>> 
>> If this is correct how do I change the postmaster sender address from
>> server.domain.com to domain.com?
>> 
>> 
>> 
>> Or is there a better solution?
>> 
>> 
>> 
>> Thanks for your help,
>> 
>> 
>> 
>> Al
>> 
>> 
>> 
>> 
>> 
> 
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