Hey people - I'm new to the qmail toaster community, but I also run a postfix and sendmail server.  Yahoo is a pain in the *ss - I've been dealing with that problem for a few months.  They defer mail until it's retried several times and then it goes through.  I suspect is some bootleg anti-spam measure, because a regular SPAM will only make one attempt.  So it makes sense, I suppose, but it causes messages to be delayed which can be very annoying.

I have no idea what criteria they use to make deferral decisions.  Possibly broadband / ISP network ranges?  I have static IPs on business SDSL - is anyone getting this problem with other ISPs (T1 or other)?

Regards,
JT

Warren Melnick wrote:
Oh my favorite...

The message means that:
(1) some of the yahoo users that you are sending email to have flagged those emails as spam
(2) You are sending more than yahoo's arbitrary limit

or both. 

If oyu think you are doing nothing wrong, then fill out this form for yahoo: http://help.yahoo.com/l/us/yahoo/mail/postmaster/defer.html

That will hopefully white-list you on their servers.

W

On Thu, Apr 17, 2008 at 7:04 AM, Jake Vickers <[EMAIL PROTECTED]> wrote:
PakOgah wrote:
yap this is new... and I got it also on my server
it seems like the yahoo deferral messages few months ago.
but I haven't get complain from users, so I'll monitoring this error in next few weeks

Bogdan,
perhaps you need to SPF records on your domain zone. see openspf.org

ps: I have setup mine :)

You may also want to go through their process and see what they're exactly looking for. They may be deferring you due to the SMTP greeting or some-such.


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