[SOLVED] lost connection after DATA (74 bytes) from cp.cyberwebhotels.com[206.51.238.

[satish.apg]

Heloo everyone,
Could someone help me to figure out the problem with "Lost connection after DATA (74 bytes)" while receiving the mails from cp.cyberwebhotels.com[206.51.238.153] ..

I am using Zimbra Desktop Edition (zcs-6.0.2_GA_1912).

ERROR LOG IS:
Jan 4 15:20:00 mail postfix/smtpd[21165]: lost connection after DATA (74 bytes) from cp.cyberwebhotels.com[206.51.238.153]
Jan 4 15:20:00 mail postfix/smtpd[21165]: disconnect from cp.cyberwebhotels.com[206.51.238.153]
Jan 4 15:20:06 mail postfix/smtpd[18040]: connect from cp.cyberwebhotels.com[206.51.238.153]
Jan 4 15:20:07 mail postfix/smtpd[18040]: 0BD5BF88137: client=cp.cyberwebhotels.com[206.51.238.153]
Jan 4 15:20:07 mail postfix/smtpd[18040]: lost connection after DATA (74 bytes) from cp.cyberwebhotels.com[206.51.238.153]
Jan 4 15:20:07 mail postfix/smtpd[18040]: disconnect from cp.cyberwebhotels.com[206.51.238.153]

Thanks in Advance.
Satish

[satish.apg]

This issue got resolved for me by enabling EmailExtensionExecution on the IPS (Intrusion Prevention System) box.

[NatulyaR]

Prompt More specifically, what was done. We have exact same problem, what logs should be analyzed.
Thanl you