[exim] Sending Mails to Yahoo!

Hello everyone,

I run several mailing lists, and majority subscribers use
@yahoo.whatever addresses.
I realize by looking at the exim logs that yahoo servers will only
accept upto N number of messages in a parallel delivery and defer the
others.
I am sure others have seen this and have a cure or workaround for it.

How do you handle deliveries to yahoo in situations like this?

--
Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254733744121/+254722743223
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"Oh My God! They killed init! You Bastards!"
--from a /. post