Localized mail servers, global scope

Tony Finch dot at dotat.at
Thu Jun 23 12:56:47 UTC 2005


On Thu, 23 Jun 2005, Dave Crocker wrote:
>
> i seem to recall a similar redirect mechanism in SMTP some time ago.  not
> worth the effort; broken; or somesuch.

The 251 and 551 forwarding address responses. Many mail servers don't know
a user's forwarding address at SMTP time; most mail servers treat any 5xx
response to RCPT TO the same way; mail servers don't want to maintain a
local database of forwarding addresses culled from 251 responses...

Tony.
-- 
f.a.n.finch  <dot at dotat.at>  http://dotat.at/
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