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["Roger B.A. Klorese" <address@concealed>]

Can the DMARC compatibility changes be isolated into one or more 
patches, and what chance would I have of manually applying that to an 
early Sympa 6.0.x system? We are going to upgrade, but we are stuck in a 
ripple effect -- Perl too old; installed as an OS package so requires OS 
upgrade; OS upgrade requires hypervisor upgrade; no room for upgrade 
process on current server -- that requires us to rack up a new server, 
and we'd like to offer our users some relief as soon as possible. (Yes, 
I know "as soon as possible" is months ago.)