NewsletterPro error for emailing

[MyStur]

I have some errors on newsletter module

When i must send mass email it displays an error

Thats on debug
* Warning line : mysql_fetch_array(): 48 is not a valid MySQL result resource

modules\Newsletter_Pro\admin\newsletter.inc

* Warning line 793: fopen(modules/Newsletter_Pro/archives/.html) [function.fopen]: failed to open stream: File exists
* Warning line 794: fwrite(): supplied argument is not a valid stream resource
* Warning line 795: fclose(): supplied argument is not a valid stream resource



And on my smtp pop3 server it writes for every user that error
[2009-01-05 12:41:27] SMTP WebMail mail from admin @ myffx.webhop.net to myffx <myffxdonos@gmail.com in queue.
[2009-01-05 12:41:33] INTERNET send mail [1 times] from <admin@myffx.webhop.net> to
<myffx <myffxdonos@gmail.com>
FAILED: 555 5.5.2 Syntax error. c29si12146782elf.1: gmail.com(mx) -
gsmtp147.google.com 50
gsmtp183.google.com 50
gmail-smtp-in.l.google.com 5
alt1.gmail-smtp-in.l.google.com 10
alt2.gmail-smtp-in.l.google.com 10

<myffx <myffxdonos@gmail.com>
is maybe here an error
it must be
myffxdonos@gmail.com

Can somebody help me?

[MyStur]

has somebody an idea

[MyStur]

Ok with the debug i see that

includes\classes\phpmailer.php
• Warning line 441: mail() [function.mail]: SMTP server response: 554 too many receiver
modules\Newsletter_Pro\admin\newsletter.inc
• Warning line 793: fopen(modules/Newsletter_Pro/archives/.html) [function.fopen]: failed to open stream: File exists
• Warning line 794: fwrite(): supplied argument is not a valid stream resource
• Warning line 795: fclose(): supplied argument is not a valid stream resource


What can i doo

[MyStur]

Can anybody help its urgent?