Error 00020 with MAILSPLF, but MAILOUTQ works correctly

From Support

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Problem:

SMTP server is sending out error messages that you are getting bare line terminators or Nonstandard SMTP Line terminators in their email messages.

This can happen if your email server does not like the standard linefeed (LF) characters that the Email Report Server/400 sends after each line of data when sending a message. In order to stop the message corruption the Email Report Server/400 settings must be configured to send a CR/LF (Carriage Return/Linefeed) at the end of each message line.

Another scenerio we've see is where the attachment was getting changed into an EML file which Windows likes to open in Outlook as an email.

Solution:

After installing Email Report Server/400 version 1.39 or above, the following change can be made to make sure that a CR/LF (Carriage Return/Linefeed) combination is always sent at the end of each message line.

Run one of the following commands below as needed:

Enable sending CR/LF combinations after each line in an email message. This should prevent attachment file corruption during emailing.

CHGDTAARA DTAARA(RJSERS/ERSBASE64) VALUE(MAILSMTP6L)  

Reset to default Email Report Server setting for Base64 conversion. This will only send a LF character after each message line.

CHGDTAARA DTAARA(RJSERS/ERSBASE64) VALUE(MAILSMTP5L)