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postfix smtp Intermittent error sending via Thunderbird

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openfeel

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Aug 28, 2012, 10:26:00 PM8/28/12
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I have no problem receiving email via mobile broadband. But there is intermittent error when sending email. Sometimes the mail can be send. Is it because imap have automatic retry. While SMTP does not?

The sending problem does not exist for ADSL. Is there any way to tune postfix to reduce the error.

Below are some of the errors:

Aug 29 08:39:55 localhost postfix/smtpd[16419]: initializing the server-side TLS engine
Aug 29 08:40:05 localhost postfix/smtpd[16419]: connect from amx-tls3.starhub.net.sg[203.116.164.13]
Aug 29 08:40:05 localhost postfix/smtpd[16419]: lost connection after CONNECT from amx-tls3.starhub.net.sg[203.116.164.13]
Aug 29 08:40:05 localhost postfix/smtpd[16419]: disconnect from amx-tls3.starhub.net.sg[203.116.164.13]

Aug 29 08:47:25 localhost postfix/smtpd[16458]: lost connection after DATA (286691 bytes) from amx-tls3.starhub.net.sg[203.116.164.13]
Aug 29 08:47:25 localhost postfix/smtpd[16458]: disconnect from amx-tls3.starhub.net.sg[203.116.164.13]


Aug 29 08:51:12 localhost postfix/smtpd[16600]: connect from amx-tls3.starhub.net.sg[203.116.164.13]
Aug 29 08:51:12 localhost postfix/smtpd[16600]: lost connection after CONNECT from amx-tls3.starhub.net.sg[203.116.164.13]
Aug 29 08:51:12 localhost postfix/smtpd[16600]: disconnect from amx-tls3.starhub.net.sg[203.116.164.13]
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