Sending to the list

[Doug Hardie]

> On 5 February 2017, at 10:51, Matthew Seaman <matthew at freebsd.org> wrote:
> 
> On 05/02/2017 17:52, Doug Hardie wrote:
>> I have been having to go through a special process to send to any of
>> the FreeBSD lists. Otherwise, the servers reject my emails with:
>> 
>> 6F637114C308     3078 Sun Feb  5 11:03:33  doug at mail.sermon-archive.info
>> (host mx1.freebsd.org[8.8.178.115] said: 450 4.7.1 <mail.localdomain>: Helo command rejected: Host not found (in reply to RCPT TO command))
>>                                         freebsd-questions at freebsd.org
>> 
>> Searching Google finds that it appears the mail server is not liking
>> the reverse DNS entry which was a valid complaint.  It took awhile to
>> get that resolved as the transfer from Verizon FIOS to Frontier was
>> not exactly transparent.  However, that is now corrected and I still
>> get the same response.  How do I find out what the problem is?  I
>> suspect this is not the right list, but I couldn't see any other that
>> might be more appropriate.
> 
> Your mail server is identifying itself as 'mail.localdomain' during the
> EHLO or HELO step of the SMTP transaction.  That's what the FreeBSD mail
> servers are objecting to since they can't look up an IP number for
> 'mail.localdomain' and then check that IP number reverses to the same name.
> 
> Check the configuration of your MTA.  You want to make it call itself
> 'sermon-archive.info' when it introduces itself to the MTA it's sending
> to.  How to do that depends on what MTA software you're using, but in
> sendmail(8), it's the $j macro that needs to be set appropriately.
> Something like
> 
>   define(`confHELO_NAME', `sermon-archive.info')dnl
> 
> in your sendmail.mc file.
> 
> 	Cheers,
> 
> 	Matthew


Server is postfix and I believe I have corrected that now.  Thanks.