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wmz attachments causing quarantine

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Recently many messages with a file attachment of ".wmz" have been quarantined.

I don't know if this is the result of some unknown rules being changed in the IronMail configuration, or if various senders have started including this type of attachment, perhaps in their signature block.

What is the recommended way to allow messages with these attachments to be delivered, not quarantined?

I understand there was a Windows vulnerability for Windows Metafiles, but that seems to have been patched in Windows many years ago.

Message has this attachment:

image003.wmz     11.0KB (11264 bytes)     application/x-ms-wmz

Relevant lines from IronMail log:

20121111:18:37:22|50723816|7189|*** WARNING Xtn Mismatch. <part:given-xtn> -|<6:wmz>|

20121111:18:37:22|50723816|7191|Part, Type, Xtn, Format; <part:type:xtn:format> -|<6:application/x-ms-wmz:gz:224>|

<part_name:part_xtn> -|<part6_kv0.tmp:wmf>|

20121111:18:37:22|50723816|1030|**Found -|['wmf']|

20121111:18:37:22|50723816|6917|customNotification, Stop||

20121111:18:37:22|50723816|1031|LOG_STAT_ATT_FIL: final_list -|{'wmf': [{'qtn_type': 2L, 'profile_id': 0L, 'rule': 7L, 'rule_id': 57, 'is_default': 0, 'parts': ['6'], 'action_data': '0', 'action': 6, 'archive': 0}]}|

20121111:18:37:22|50723816|9992|Applied Policies, Applied Rules: <policies:rules> -|<[9L]:[8, 9, 10, 7]>|

1 Solution

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Re: wmz attachments causing quarantine

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I added a file extension for *.wmz so that the attachment would be dropped, and the message is still allowed through.

Evidently one of the units began using a new logo with a wmz image instead of the standard format such as jpeg or png.

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Re: wmz attachments causing quarantine

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wmz is a compressed wmf file, and by the looks of it you have a policy that applies to wmf files - Attachment "Apply rules" id 7,  Attachment Filtering rule ID 57

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Re: wmz attachments causing quarantine

Jump to solution

I added a file extension for *.wmz so that the attachment would be dropped, and the message is still allowed through.

Evidently one of the units began using a new logo with a wmz image instead of the standard format such as jpeg or png.

View solution in original post

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