Also I am not using any URL shortening service.
A few more details, I checked posts custom fields in the posts, which were published in ping.fm, but not twitter and I see:
Name: twitter_error
Value: <
My hosting information:
Server : Apache
MYSQL Version : 5.0.91-log
SQL Mode : Not set
PHP Version : 5.2.8
PHP Safe Mode : Off
PHP Allow URL fopen : On
PHP Max Script Execute Time : 30s
PHP Exif support : Yes ( V1.4 )
PHP IPTC support : Yes
PHP XML support : Yes
In the ftp I see only one differnce from my older hosting, in this hosting I have php.ini file with:
register_globals = off
allow_url_fopen = off
expose_php = Off
max_input_time = 60
variables_order = “EGPCS”
extension_dir = ./
upload_tmp_dir = /tmp
precision = 12
SMTP = relay-hosting.secureserver.net
url_rewriter.tags = “a=href,area=href,frame=src,input=src,form=,fieldset=”
[Zend]
zend_extension=/usr/local/zo/ZendExtensionManager.so
zend_extension=/usr/local/zo/4_3/ZendOptimizer.so