[ingo] backslashed addresses

[alex@milivojevic.org]

Quoting alex at milivojevic.org:

> Not sure if this is bug in Ingo or maybe not possible to implement in Sieve.
> Anyhow, here's the problem.
>
> If address starts with "\" (for example "\alex at milivojevic.org"), 
> Sendmail will
> not perform alias expansion on it.  Rather usefull feature.  If I attempt to
> forward email to such "backslashed" address, timsieved barks on the 
> script that
> Ingo created ;-)
>
> Looking at the generated script source, the forward part looks like this
> (additional "\" added by Ingo):
>
> # Forward
>  6: if true {
>  7:     redirect "\\alex at milivojevic.org";
>  8:     keep;
>  9: }
>
> When attempting to active the script, Ingo displays an error (probably as
> returned by timsieved):
>
> There was an error activating the script. The driver said: {95}script errors:
> line 7: address '\alex at milivojevic.org': parse error, unexpected 
> $undefined., e
>
> Seems like "\" has a special meaning in Sieve.  I don't know if it can be
> escaped and if possible, what would be the correct way to escape it.  The way
> Ingo is doing it right now (pacing string in double quotes *and* escaping it
> with additional backslash at the same time) doesn't work for sure.

I also asked on the Cyrus mailing list, and it seems that timsieved doesn't
allow for backslash to be part of email address.  Ah.  So, its nothing to do
with Ingo.

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