30.18 Attachment filter

30.18.1 Overview

The attachment filter checks properties of a message’s attachments - attachment count, attachment name, attachment size. It targets only mails that carry at least one, exactly one, or no attachment, or it detects specific attachment file names.

Important: This filter in the Message filters decides whether the entire mail is processed. Which individual attachments are then considered by a task (e.g. Save attachments) is controlled by the additional Attachment filter in the task itself (see chapter 9.3).


30.18.2 Available properties

Property Description
Attachment count Number of attachments
Attachment name File name of an attachment (text filter, see chapter 30.10)
Attachment size Size of a single attachment (size filter, see chapter 30.12)
Has attachments Boolean property (see chapter 30.15)

30.18.3 Attachment count

Operator Description
equal / not equal Exactly X or not equal to X
less than / greater than Thresholds
is between Range (Value 1 to Value 2)

30.18.4 Attachment name and attachment size

Attachment name uses the same operators as the text filter (see chapter 30.10):

Operator Example
contains / does not contain Attachment name contains “Invoice”
ends with / starts with Attachment name ends with “.pdf”

Attachment size uses the operators less than / greater than / is between with the units Bytes / KB / MB.

Note: When a mail has multiple attachments, the filter matches as soon as at least one attachment fulfills the condition.


30.18.5 Use case

Do not process mails without attachments

Attachment count greater than 0

Prevents the profile from triggering on plain-text mails when all tasks are attachment-related (e.g. Save attachments).


30.18.6 Filter in message filters vs. attachment filter

Location Effect
Message filters (see chapter 8.9) Decides whether the entire mail is processed
Attachment filter in the task (see chapter 9.3) Decides which attachments are concretely saved/printed

Rule of thumb:

  • Ignore the mail entirely when no suitable attachments are present -> Message filters
  • Handle the mail but consider only certain attachments -> Attachment filter in the task

30.18.7 Tip

  • For inline images (e.g. logos in the HTML signature), the program does not count them as regular attachments by default - this can be toggled per task via the option Process inline attachments