Using Courier Linux Mail Server and getting 00020 error after sending a report with MAILSPLF - Support

Using Courier Linux Mail Server and getting 00020 error after sending a report with MAILSPLF

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Problem:

Using Courier Linux Mail Server and getting 00020 error after sending a report with MAILSPLF.

Solution:

In the Courier config files (ESMTPD file). Change the settings for STARTTLS. Turn off STARTTLS. After a connection, the Courier mail server was sending back 2 packets instead of 1, thus causing confusion to the MAILSPLF command.

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