Email fix dovecot-outlook

This project need to be done using teamviewer!!! Just set up email server a few days ago and all was ok. Setup outlook 2007 and 2010 and all was ok. Today I could get emails but not send them via outlook(timing out). But I could do both from webmail. Then the my client called me and said all his employees are having outlook problems. I logged into a few accounts and they worked via webmail. I am getting LFD emails, with subject like this: Permanent Block (IP match in [login to view URL], block may not work) And in the body it is like this:(I changed the ip's and domain names) Sep 4 16:06:10 email dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<techsupport@myserverdotcom>, method=PLAIN, rip=[login to view URL], lip=[login to view URL], TLS: Disconnected, session=<a74n4kICbwAy80Op> Sep 4 16:06:16 email dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 6 secs): user=<jason@myserverdotcom>, method=PLAIN, rip=[login to view URL], lip=[login to view URL], TLS: Disconnected, session=<9qZA4kICcAAy80Op> Sep 4 16:06:28 email dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 10 secs): user=<accounting@myserverdotcom>, method=PLAIN, rip=[login to view URL], lip=[login to view URL], TLS: Disconnected, session=<G2624kICdAAy80Op> Sep 4 16:06:48 email dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<sales@myserverdotcom>, method=PLAIN, rip=[login to view URL], lip=[login to view URL], TLS: Disconnected, session=<gVh840ICdQAy80Op> Sep 4 16:07:10 email dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 2 secs): user=<techsupport@myserverdotcom>,