Sender signatures causing issues when replying

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rootsandherbs
Posts: 7
Joined: April 23rd, 2021, 3:36 pm

Sender signatures causing issues when replying

Post by rootsandherbs »

I am having issues when replying to people who have images in their signatures. When I reply I have to delete their signatures in order to send the email. I get an send error message: Sending of the message failed. There was an error attaching xxxx.png. Please check that you have access to the file". How can I send emails without having to spend time deleting their signatures to send emails. This puts a big damper on using Thunderbird. I tried other email programs and the emails are able to be sent with the signatures.
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tanstaafl
Moderator
Posts: 49647
Joined: July 30th, 2003, 5:06 pm

Re: Sender signatures causing issues when replying

Post by tanstaafl »

I don't have that problem replying. I just retested using version 91.1.0 under Windows 10 with a embedded treefrog.gif file in a signature.

Are the signatures using a link to a remote image or a embedded image? It sounds like the former.

Does this occur with just certain signatures? If so, what do they have in common? For example, all use .png files rather than .gif or .jpg, all for a certain domain, only for remote images .......

Use Control-U or view -> message source and look for a reference to the *.png file. Is it in a HTML img src statement or in a header for a MIME section that stores a embedded copy of the image?

https://www.w3schools.com/tags/tag_img.asp

In my case the signature (from one of my other accounts) used a embedded image so there is a MIME section after the message body that stores the image using base64 encoding.

--------------0EaWrb5d15px0Zw5HCVZkK0r
Content-Type: image/gif; name="treefrog.gif"
Content-Disposition: inline; filename="treefrog.gif"
Content-Id: <part1.8i3LfBrc.mzfc99UJ@inbox.eu>
Content-Transfer-Encoding: base64

R0lGODlhTgBCAPcAAAYGBAkIEgwSCAwTEhULCBQLExYUCRcVFAQHIhsjBCYMCSUJEycWCCYW
FTcMBzMOFDcWCTgWFCAVICcmCCYnFCgzBSo1ETYnCDomEzg4CTc0FC4oIjlJBDlMEDtZBjxR
EFEXCkkRJFQoDUYxKmALEGUcCGYcFHIeCXEdEGYaJGwsDHAwI0VEB0xDFEdSB0VWFVhFCFhH
........
rootsandherbs
Posts: 7
Joined: April 23rd, 2021, 3:36 pm

Re: Sender signatures causing issues when replying

Post by rootsandherbs »

It seems that the images are .jpg images and linked to a server from the original sender.
rootsandherbs
Posts: 7
Joined: April 23rd, 2021, 3:36 pm

Re: Sender signatures causing issues when replying

Post by rootsandherbs »

Here is the data from one of the images in their signature:

data:image/jpeg;filename=image001.jpg;base64,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