slackware-current/patches/source/postfix/slack-desc
Patrick J Volkerding d46ef1440f Sat Dec 23 02:48:56 UTC 2023
patches/packages/glibc-zoneinfo-2023d-noarch-1_slack15.0.txz:  Upgraded.
  This package provides the latest timezone updates.
patches/packages/postfix-3.6.13-x86_64-1_slack15.0.txz:  Upgraded.
  Security: this release adds support to defend against an email spoofing
  attack (SMTP smuggling) on recipients at a Postfix server. Sites
  concerned about SMTP smuggling attacks should enable this feature on
  Internet-facing Postfix servers. For compatibility with non-standard
  clients, Postfix by default excludes clients in mynetworks from this
  countermeasure.
  The recommended settings are:
    # Optionally disconnect remote SMTP clients that send bare newlines,
    # but allow local clients with non-standard SMTP implementations
    # such as netcat, fax machines, or load balancer health checks.
    #
    smtpd_forbid_bare_newline = yes
    smtpd_forbid_bare_newline_exclusions = $mynetworks
  The smtpd_forbid_bare_newline feature is disabled by default.
  For more information, see:
    https://www.postfix.org/smtp-smuggling.html
  (* Security fix *)
2023-12-23 13:30:45 +01:00

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postfix: postfix (mail transport and submission agent)
postfix:
postfix: Postfix attempts to be fast, easy to administer, and secure, while at
postfix: the same time being sendmail compatible enough to not upset existing
postfix: users. Thus, the outside has a sendmail-ish flavor, but the inside is
postfix: completely different.
postfix:
postfix: Homepage: http://www.postfix.org
postfix:
postfix:
postfix: