Maybe this helps (just googled it...) http://tech.groups.yahoo.com/group/postfix-users/message/273461
Regards. On Thu, Mar 7, 2013 at 1:40 PM, Rishi <rishigang...@gmail.com> wrote: > Hello > > I've been receiving lots of errors in mail.log > > Mar 7 11:49:47 mail postfix/smtpd[92520]: warning: network_biopair_interop: > error writing 37 bytes to the network: Broken pipe > Mar 7 11:50:13 mail postfix/smtpd[92555]: warning: network_biopair_interop: > error writing 27 bytes to the network: Broken pipe > Mar 7 11:50:56 mail postfix/smtpd[94257]: warning: network_biopair_interop: > error writing 37 bytes to the network: Broken pipe > Mar 7 11:51:13 mail postfix/smtpd[92520]: warning: network_biopair_interop: > error writing 27 bytes to the network: Broken pipe > Mar 7 11:51:57 mail postfix/smtpd[92615]: warning: network_biopair_interop: > error writing 37 bytes to the network: Broken pipe > Mar 7 11:52:24 mail postfix/smtpd[92555]: warning: network_biopair_interop: > error writing 27 bytes to the network: Broken pipe > Mar 7 11:52:31 mail postfix/smtpd[92555]: warning: network_biopair_interop: > error writing 37 bytes to the network: Broken pipe > Mar 7 11:52:32 mail postfix/smtpd[92629]: warning: network_biopair_interop: > error writing 37 bytes to the network: Broken pipe > Mar 7 11:53:08 mail postfix/smtpd[94255]: warning: network_biopair_interop: > error writing 27 bytes to the network: Broken pipe > > > Any idea what this means? > > The customer has been reporting delayed delivery of email. > > Any tips on what I should look out for in the configuration? > > Rishi
