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On 08/11/2016 17:23, Grant Edwards wrote: |
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> On 2016-11-08, Willie M <matthews.willie80@×××××.com> wrote: |
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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 lookup |
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>> should work just fine. |
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> |
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> Reverse DNS will work (modulo down times when the address changes, |
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> like you describe). But, back when I used to run a mailserver using |
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> that setup, I still ran into SMTP servers that rejected my mail |
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> because it was coming from a dynamic IP address. Even though the |
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> reverse DNS lookup and MX record were all kosher, they still knew my |
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> address was in a range that was allocated dyamically and refused to |
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> accept incoming mail. That was 10 years ago. It's hard to believe |
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> SMTP servers have gotten more lenient... |
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> |
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They haven't. Actually they have gotten more strict. |
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Mine for example will not accept mail from known dynamic ranges, period. |
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Mimecast and friends can deal with that crap thankyouverymuch, and they |
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are welcome to it |
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-- |
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Alan McKinnon |
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alan.mckinnon@×××××.com |