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On 08/11/2016 13:07, J. Roeleveld wrote: |
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> On November 8, 2016 9:43:30 AM GMT+01:00, Willie M <matthews.willie80@×××××.com> wrote: |
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>> On 11/07/2016 06:31 PM, Harry Putnam wrote: |
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>>> Ian Zimmerman <itz@×××××××.net> writes: |
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>>> |
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>>>> On 2016-11-06 22:54, Willie M wrote: |
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>>>> |
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>>>>> http://freedns.afraid.org/ |
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>>>> |
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>>>> ++ ++ |
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>>>> |
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>>>> I had used both Dyn and NoIP before, but they both went all Web 2.0 |
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>> on |
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>>>> me (and other well known ones probably did the same). |
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>>>> |
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>>>> FreeDNS is just perfect for me - a blast of fresh air from the past |
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>> :-) |
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>>> |
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>>> Just the tiniest bit thin on explaining what the heck you are |
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>> expected |
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>>> to do on the various pages that appear when setting up an account. |
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>>> |
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>>> I'd like to have a real ip for a change... been doing the fake home |
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>>> lan thing for years and always there are problems with sendmail or |
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>>> other mail apps. Either masquerading or some other work around. |
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>>> |
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>>> Can anyone tell me if the freedns place will supply me with an ip |
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>> that |
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>>> will work for sendmail? Will stand up across the internet when other |
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>>> internet hosts do reverse dns on my address for mail purposes. |
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>>> |
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>>> They advertise static addresses too, is there any draw back to that? |
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>>> |
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>>> |
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>> |
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>> Hey Harry, |
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>> |
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>> If I a not mistaken if you change your nameservers to FreeDNS you will |
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>> be able to have that dynamic IP Address that way. So your reverse |
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>> lookup |
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>> should work just fine. |
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>> |
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>> Only problem is that if your IP address changes, you would have a short |
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>> amount of time that your server would not respond (because of the IP |
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>> change). The default TTL on FreeDNS is 3600 seconds (1 hour). |
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>> |
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>> Reading on the front page it says that you can edit the TTL if you add |
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>> your own domain. I don't know for sure how it all works because I have |
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>> never added on. It doesn't hurt to try and it seems like it would be a |
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>> lot better than what you are using now. |
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>> |
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>> Hope this helps. |
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> |
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> Willie, |
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> |
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> This will not work. |
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> A reverse lookup (which FQDN for the IP) needs to work for all SMTP servers he is likely to send mail to. This would also include Google and Microsoft. |
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> |
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> He needs to get his ISP to change the reverse DNS. |
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ISP mail admin chiming in here. |
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If a host on a dynamic range tries to hit my MX machines and deliver |
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mail, that host WILL be denied. Most ISP's work similarly as we are sick |
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and tired and fed up to the yinyang of 99.99% of mail from such hosts |
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being pure spam. |
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Harry, you have 2 options: |
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1. Do it yourself and do it properly - get a static IP from your ISP |
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2. Don't do it yourself and do it properly - use your ISP's mail |
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relays, or use a relay provider |
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Why are you even trying to do this yourself? I do this for a living and |
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I can tell you it's a pain in the butt you don't want (*I* don't even |
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want it, I shove mail services off onto other teams as fast as I can get |
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them to take it...) |
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-- |
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Alan McKinnon |
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alan.mckinnon@×××××.com |
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