RFR: 267: Be more tolerant when parsing mbox files

[Robin Westberg]

Hi all,

Please review this change that allows parsing of mail id's encountered in the wild.

Best regards,
Robin

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Commits:
 - 53967ac3: Allow parsing email addresses without any domain

Changes: https://git.openjdk.java.net/skara/pull/404/files
 Webrev: https://webrevs.openjdk.java.net/skara/404/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-267
  Stats: 18 lines in 2 files changed: 12 ins; 1 del; 5 mod
  Patch: https://git.openjdk.java.net/skara/pull/404.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/404/head:pull/404

PR: https://git.openjdk.java.net/skara/pull/404