> You realise that you can use CIDR notation even if you don't send email > from all of the servers in the block? > > e.g. If you have servers at 10.1.2.6, 10.1.2.9 and 10.1.2.13 you can > simply list 10.1.2.0/28, so long as the other addresses in that range are > either unused or are allocated to hosts that you control. (In other words, > just list your networks, rather than the individual IP addresses that send > email.) > > Yes I know, but I have a lot of different ip's across equally many different netblocks, so using exists seemed like the way to go in order to prevent running out of space. I am working on "restructuring" our SPF setup, but things take time :-(
Best regards Henrik Schack
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