How do I get Cyrus Sieve to play nice with Exim? — Cyrus IMAP 3.2.3 documentation

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# How do I get Cyrus Sieve to play nice with Exim?

This problem results from Cyrus using CRLF sequences to denote line breaks in its pipe to the sendmail process, which normal Sendmail handles just fine. However, Exim does not handle these sequences ok.

Exim 4.20 and later has a drop_cr option which you can use, the following wrapper script was suggested by Bernhard Erdmann (be@berdmann.de):

    - /etc/imapd.conf:
    sendmail: /opt/exim/exim_dropcr

    - /opt/exim/exim_dropcr:
    #!/bin/sh
    /opt/exim/exim -dropcr $@