[PLUG] SMTP Error Code Meaning

Rich Shepard rshepard at appl-ecosys.com
Fri Dec 11 18:05:25 UTC 2015


On Fri, 11 Dec 2015, Jim Garrison wrote:

> You could check YOUR outgoing server's IP address against RBLs using an
> online tool like MXToolbox

   Wouldn't this not be likely as other messages, such as this one, have no
problems?

Rich



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