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Subject line in e-mails?

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How do I add subject line to my e-mails? The last update removed the subject line.

How do I add subject line to my e-mails? The last update removed the subject line.

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Hi, is this a problem on a specific website you are using in Firefox, or a problem in the separate Thunderbird email program?

If this problem is in Firefox, could you describe the problem in more detail -- for example, which email site is it? Are you composing the message using a Firefox feature such as "Email Link" or starting the message inside the site?