[colug-432] Recent change in retry behavior from large e-mail sites, affecting greylisting?

[Joshua Kramer]

I've always had problems sending to and receiving from MSN and Hotmail 
because apparently Microsoft doesn't like to deal with mail servers behind 
residential DSL IP addresses.  So if I have someone who I know to be on a 
MS-based address I just give them my gmail account information.

I don't know about Yahoo.  I'll have to create a test account there and 
see what it does wrt my greylist setup.