For political/non-profits, I tell my clients that about 1/3 of the list
goes bad each year. The math usually works out when they send after not
On Mar 7, 2018 6:05 PM, "Steve Atkins" <st...@blighty.com> wrote:
> > On Mar 7, 2018, at 2:36 PM, Hal Murray <hmur...@megapathdsl.net> wrote:
> >> Some of them do and clearly states how many months they keep a 5xx error
> >> before turning the domain into a spamtrap.
> > Is there a BCP or consensus on how long a list can sit inactive before it
> > should be thrown away?
> I don't think there's anything particularly solid.
> If you're not mailing to a list at least monthly you need to really be
> of address churn.
> But if you're, say, a political organization it's not impossible that your
> tempo for some segments might have gaps of maybe three years in it. Sending
> *something* more often is a good idea, but I'd be more likely to tell you
> some serious delivery pain when mailing this" than "you have to throw it
> "Best practice for spamtraps is that the reject mail for 12 months before
> reused" would be part of the "expect pain" conversation.
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