[imp] Cyrus-Imap Server .mail sending problem

[Vimukti Technologies]

hi ,

I am using Latest version of IMP with Cyrus-imapd server.
in config/servers.php i have configured 2 servers 
1. localhost with pop3
2. localhost with cyrus-imapd

if i login to pop3 server in imp i am able to compose mails. But if i use IMAP
Server i am able to compose but not able to send the message.

When i click "Send Message" It says Connection closed by server.
I am not php programmer actually but after some hours of debugging i found that
when i click "Send Message" the php is aborting execution in 
../MIME/Part.php.  funtion name "setEncoding()" and line 

$text = str_replace("\n",' ',$this->contents);

...
i have placed an echo after this line..which is working if i choose pop3
server.
if i choose IMAP server  the Send Message request is not working and php is
exiting after this line.. 

can any one guess what is the problem?

thanks
Rajesh A

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