Carashán, the solution

Well, Roger Mills came closest.

The actual English translation runs:

This is the first message in Carashan, which I've sent to my good friends on the
Conlang list. Carashan comes from Arezo (C. Aredos), the language which you
know as Aredos. Tomorrow I will tell you what this means. But now, I want you
to guess which language this resmbles. If anyone knows, write to me.

Carashan is not a YANC, it's actually the latest incarnation of my second ever conlang.
When I first created Aredos's forerunner, I immediately derived a language from
it. As Aredos slowly became Aredos, the one daughter language became an entire
family analogous to the Romance family. It's meant to resemble Romanian and
Portuguese principally, with a bit of Occitan and Italian thrown in. It got the
right response! It's derived from Aredos, obviously, it's not "Evil Esperanto"
(Anyone going to volunteer to make that one?) an last night I did a bit more
work on it. The corrected version of the message (with interlinear and
pronunciation) follows:

Acesto es lo missát prezeu ên Carashán, acue mezai ai mei caror beis lei percei "Conlang".
*This is the message first in Carashan, which-object send-1s-past to-the my-pl
friends good-pl of-the list-obl "Conlang"
--/a'kest ES lo mis'sat 'prEzeu e kara'San, kwE mEzaI aI meI 'karor beIS leI 'perkeI 'konlaN/

Carashán se vueni de Arezui, lo dinyát acue ve conyetes sê lui Aredos. Demát ve azisero
*C. itself comes from Arezo-obl, the language which-object you-p know as the-obl
Aredos. Tomorrow you send-1p-fut.
--/kara'San sE vwEni d@ arEzui, lo di'Nat 'acwE ve ko'NEtEs se lui a'redos. dE'mat vE azi'sero/

ceu acue acesto deluoje. Otoi teano, eu vuelo cue ve conyettues ên cuo dinyát se-dinyát decca. 
* that which-object this means. But now, I want that you-pl guess-subj-2p in
which-pronominal this-language resembles.
--/keu a'kwE a'kEsto dE'lwoZ@. o'toI 'tE@no, eu 'vwElo kwE vE co'NEttwEs e kwo di'Nat
sEdi'Nat dekk@/

Note the nice similarity between conyettues (guess) and conyetes (know).

Se jon conyete, mue creva!
*if (impersonal pronoun) knows, to-me write!
--/sE Zon koNEt@, mwE krEva/

There!

Dan

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I chirikleski kul chi perel duvar pe yek than

The droppings of the flying bird never fall twice on the same spot
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