Comment 1 for bug 1952738

This bug was fixed in the package exim4 - 4.95-2ubuntu2

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exim4 (4.95-2ubuntu2) jammy; urgency=medium

  * New delta:
    - Disable external SPF support to avoid Build-Depends on libspf2-dev
      (only available in universe). SPF can still be implemented via
      spf-tools-perl, as documented in exim4.conf.template. (LP: #1952738)
      This reverts Vcs-Git commit 494f1fe, first released in 4.95~RC0-1.
      Changes:
        + d/control: drop Build-Depends on libspf2-dev.
        + d/d/c/a/30_exim4-config_check_rcpt: restore SPF logic based
          on spfquery.mail-spf-perl from spf-tools-perl.
        + d/EDITME.exim4-heavy.diff: disable support for libspf2.

 -- Paride Legovini <email address hidden> Wed, 01 Dec 2021 11:48:10 +0100