Sendmail can't send mail to hotmail account
I am not able to send mail to hotmail only
1- I recieve undelivery mail when send to mail to hotmail
firstname.lastname@example.org>... Deferred: Connection timed out with mx1.hotmail.com.
2- my mail log
delay=19:57:39, xdelay=00:00:00, mailer=esmtp, pri=2100878, relay=mx1.hotmail.com., dsn=4.0.0, stat=Deferred: Connection timed out with mx1.hotmail.com.
3- I can't ping / telnet from my mail server
telnet mx1.hotmail.com 25
4- nslookup record
yesterday alote of spam genrated by 1 of my dsl client due to which my mail server is blocked by
i removed all queues mail in /var/spool/mqueue & block the dsl clients that were generting using tcpwapper & then restart sendmail & spamcop.net released my mail server as there is no spam genrating now
although a few days before i recieved mail / send it to hotmail a/c but facing the same problem yesterday
Do you think that hotmail blocked our server as well using spamcop.net entery
REGARDS & waiting for reply