Email Graylisting

Hello,

I've been using Mac OS X Server 10.6.x Snow Leopard for a number of =
years and never really had problems with email graylisting.  Yes, mail =
sometime took minutes or a few hours to arrive when signing up for Web =
site, etc. But generally speaking most personal emails came through =
quite fast, at least after the first one.

Recently, it seems with one particular domain (I have check the domain =
MX setup and DNS) personal emails are taking a long time to get through, =
e.g. 10-24 hours.  This can be frustrating now as many people, even in =
business, assume email is pretty much instantaneous (even though I =
believe it's never guaranteed to be).

My feeling is that this is a problem with the sending side, i.e. they =
aren't retrying to send the email soon enough or after it is rejected.  =
But I haven't perceived this problem with my other domains.  That said, =
perhaps  it is just this new domain that is getting a lot of email from =
new people.

LuKreme has indicated, in an earlier thread, that he had problems with =
amazon.com and banks.  Personally, I haven't noticed that (but missing =
emails may be harder to notice than delayed ones). I can understand how =
it could be a problem, again if the sender side didn't co-operate.

My question is: do people still use graylisting? =20

It seems to me a pretty effective way to prevent spam but them I have to =
re-evaluate it if it is going to cause these sort of problems.  We tend =
to be somewhat concerned these days about email receipt because of this. =
 Perhaps graylisting has had its day, and we need to move on to some =
other form of spam protection?

Thanks in advance for sharing any thoughts / experiences.

Cheers,
Ashley.

--
Ashley Aitken
Perth, Western Australia
mrhatken at mac dot com
Social (Facebook, Twitter, Skype etc.): MrHatken=20
Professional (LinkedIn, Twitter, Skype etc.): AshleyAitken

Dropbox stores your files so you can access from any computer.  Get it =
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