#1369 try to guess if file is an image

sarracenia/flowcb/send/email.py

@@ -61,6 +61,7 @@
 from email.mime.multipart import MIMEMultipart
 from email.mime.application import MIMEApplication
 from email.mime.text import MIMEText
+import mimetypes
 import logging
 import os.path
 import re
@@ -146,10 +147,12 @@ def send(self, msg):
         # Get list of recipients for this message, from the mask that matched the filename/path
         recipients = self.o.masks[msg['_mask_index']][-1]
 
+        file_type = mimetypes.guess_type(ipath)
+
         # Prepare the email message
         try:
-            if self.o.email_attachment:
-                # Build a non-text email message for the attachment.
+            # Build a non-text email message for the attachment if specified or if the file type can be deemed to be an image.
+            if self.o.email_attachment or 'image' in file_type[0]:
                 emsg = MIMEMultipart()
                 emsg_text = MIMEText(f"{self.o.email_attachment_text}")
                 # Add the attachment text that will be paired with the attachment data