Re: understanding HELO_DYNAMIC_IPADDR

[Reindl Harald]

Am 14.05.2016 um 04:14 schrieb Kim Roar Foldøy Hauge:

On Sat, 14 May 2016, Reindl Harald wrote:

Am 13.05.2016 um 20:26 schrieb Kim Roar Foldøy Hauge:

 On Fri, 13 May 2016, Joe Quinn wrote:
>  The solution is to give your mail servers better hostnames that clue
>  into the narrower scope of their purpose.

 This is NOT a practical solution. You can't expect administrators to
 know about this problem, some styles of hostnames not playing well
with SA

then they *really* should not call themself mail-administrators

I administer mail, web and other things. I do not have control over
reverse dns. Not every mail admin can change the reverse dns of their
servers.

there is not much to discuss

but your ISP can and if your ISP refuses to do so it's just the wrong ISP for running a public mail sever a proper A-record matching the PTR matching your "smtp_helo_name" is the first thing you verify for a proper mailserver *before* you consider sending mails out to the world and that is common sense for at least 10 years now

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