Amavis

Amavisd-new integration. This module will allow the below features to be specified/used on a per policy basis.

These features allow one to bypass certain checks for a policy.

• Bypass Virus Checks
  • Amavis feature virus_lovers_maps & bypass_virus_checks_maps
  • Bypass virus checks are done if some recipients in the email have requested anti-virus features, in this case however the result is ignored.

• Bypass Banned File Checks
  • Amavis feature banned_files_lovers_maps & bypass_banned_checks_maps
  • Bypass filename checks and file content checks.

• Bypass Spam Checks
  • Amavis feature spam_lovers_maps & bypass_spam_checks_maps
  • Bypass spam checks.

• Bypass Header Checks
  • Amavis feature bad_header_lovers_maps & bypass_header_checks_maps
  • Bypass header checks.

Antispam settings, mostly relating to Amavisd-new's SpamAssassin capabilities.

• Spam tag level
  • Amavis feature spam_tag_level_maps
  • Spam score at which to tag email as being clean.

• Spam tag 2 level
  • Amavis feature spam_tag2_level_maps
  • Spam score at which to tag email as being spammy.

• Spam tag 3 level
  • Amavis feature spam_tag3_level_maps
  • Spam score at which to tag email as being spammy, but may insert a different subject line (tag3).

• Spam kill level
  • Amavis feature spam_kill_level_maps
  • Spam score at which to trigger evasive action (reject, quarantine).

• Spam DSN cutoff level
  • Amavis feature spam_dsn_cutoff_level_maps
  • Spam score at which not to generate delivery status notifications.

• Spam Quarantine Cutoff Level
  • Amavis feature spam_quarantine_cutoff_level_maps
  • Score at which not to quarantine.

• Modify subject
  • Amavis feature spam_modifies_subj_maps
  • Modify email subject for this policy if spam is detected.

• Spam tag subject
  • Amavis feature spam_subject_tag_maps
  • Subject to prepend to the email message when message exceeds spam tag level. [POSSIBLE_SPAM:_REQD_/_SCORE_]

• Spam tag 2 subject
  • Amavis feature spam_subject_tag2_maps
  • Subject to prepend to the email message when message exceeds spam tag 2 level. [SPAM:_REQD_/_SCORE_]

• Spam tag 3 subject
  • Amavis feature spam_subject_tag3_maps
  • Subject to prepend to the email message when message exceeds spam tag 3 level. [SPAM!!:_REQD_/_SCORE_]

Various email message checks.

• Max Message Size
  • Amavis feature message_size_limit_maps
  • Maximum message size allowed. This is in Kbytes.

• Banned File List
  • Amavis feature banned_filename_maps
  • List of filename extensions and/or types to ban. Separated by , or ; or newline or whitespace.

  • .exe,.bat,.dll,audio/*,video/*

Allows whitelisting and blacklisting of senders.

• Whitelist Senders
  • Amavis feature per_recip_whitelist_sender_lookup_tables
  • Whitelist these senders, this allows them to always bypass the various checks. Remeber however sender addresses can be forged!

• Blacklist Senders
  • Amavis feature per_recip_blacklist_sender_lookup_tables
  • Blacklist these senders, this will automatically declare the email message as being spam.

These settings allow an andministrator to be notified when certain detections occur.

• Notify on New Virus
  • Amavis feature newvirus_admin_maps
  • Send newly encountered virus notifications to this address.

• Notify on Virus
  • Amavis feature virus_admin_maps
  • Send virus notifications to this address.

• Notify on Spam
  • Amavis feature spam_admin_maps
  • Send spam notifications to this address.

• Notify on Banned File
  • Amavis feature banned_admin_maps
  • Send banned file notifications to this address.

• Notify on Bad Header
  • Amavis feature bad_header_admin_maps
  • Send bad header notifications to this address.

These settings control how emails are quarantined.

• Quarantine Viruses
  • Amavis feature virus_quarantine_to_maps
  • Email address or facility to quanrantine emails containing viruses to.

• Quarantine Banned Files
  • Amavis feature banned_quarantine_to_maps
  • Email address or facility to quanrantine emails matching the banned files list to.

• Quarantine Bad Headers
  • Amavis feature bad_header_quarantine_to_maps
  • Email address or facility to quanrantine emails matching the bad headers list to.

• Quarantine Spam
  • Amavis feature spam_quarantine_to_maps
  • Email address or facility to quanrantine spam emails to.

These settings allow an administrator to intercept email and BCC it to another address.

• BCC To
  • Amavis feature always_bcc
  • BCC email to another address.

Configuration for this module is done in the Amavis section in the configuration file.

enable (Supported in: r420+, v2.1.x)

Set to 1 if you wish to enable this module. Default 0 (disabled). Note on versions prior to r420, v2.1.x Before r420 if the module was loaded Amavis was enabled.