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disable ipv6 for smtp

ben83
is it possible to disable ipv6 for just SMPT when using the sophos as an smtp gateway?

background: using ipv6 for vpn and some other stuff but now we got a mailserver that couldn't find a rDNS for our IPv6 adress. 

Rather than setting that up i want to disable ipv6 completly for any mail traffic.


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  • 0
    Afaik that's not possible. Either you use IPv6 or you don't.

    Why not simply setting the PTR record?

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