[unisog] When you really need to blast email
michael.holstein at csuohio.edu
Tue Mar 11 18:02:25 GMT 2008
Our safety folks are working a campus-wide "emergency notice" system,
where one option will be email (the logic behind that is outside the
scope of this technical question).
Yahoo (and others) like to rate-limit email, and we've tried to no avail
to remedy this .. usually we get a "421 try again later" (Yahoo). For
things like our campus mail digest or notices of a snow day, a 15 minute
delay isn't a problem. For something more serious like "stay inside and
away from the window", it is.
My first thought was was to configure a box with multiple virtual IPs
(possibly on different subnets) and blast them out in parallel with
hopes of staying underneath the "radar" .. by doing multipath routing
with Neftilter, for example (since I apparently can't do this with
Is there a better approach than this brute-force hack?
Cleveland State University
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