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How do I choose the behaviour of another application sending an email using your profile? How do I see the email being sent before it's sent.

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I have two machines... I install thunderbird with the same email account on both.

I have a program that sends emails on my behalf. When I click in my program to send the email on one machine I get the message:

"Another application is attempting to send mail using your user profile. Are you sure you want to send mail?" If I press yes, it automatically sends an email.

On the other machine, when I do the same thing a compose window pops up with the email written and with the email address that the email gets sent to, but I can modify the email to my liking.

How do I choose between these two? Where are these settings?

I have found in the config editor mapi.blind-send.enabled and mapi.blind-send.warn but both the settings are the same on both machines so it must be another setting.

I have two machines... I install thunderbird with the same email account on both. I have a program that sends emails on my behalf. When I click in my program to send the email on one machine I get the message: "Another application is attempting to send mail using your user profile. Are you sure you want to send mail?" If I press yes, it automatically sends an email. On the other machine, when I do the same thing a compose window pops up with the email written and with the email address that the email gets sent to, but I can modify the email to my liking. How do I choose between these two? Where are these settings? I have found in the config editor mapi.blind-send.enabled and mapi.blind-send.warn but both the settings are the same on both machines so it must be another setting.

All Replies (9)

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See the first 'Known Issue' in the release notes:

https://www.thunderbird.net/en-US/thunderbird/60.5.2/releasenotes/

Reinstall TB and restart the computer. See also the registry fix if it applies to your system.

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My issue is both are on the newest version? 60.5.2

So why would one have the bug and one not? I don't think it's the same issue... I reinstalled already for sure. And am on windows 7 so registery is not for me (Windows 10 only?)

This issue seems so close to a lot of issues but they are not exactly mine...

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I guess it's safe to say there is no settings for this? It seems random on some machines the message pops up so I press yes and the email is automatically sent... and on some other machines it shows a preview of messages sent... I really have no idea how to control this.

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If you read the referenced bug report, it states the problem arose due to a faulty update to TB 60.5.2. Reinstalling fixes the issue if sending from another application was previously working. However, many users never had it working in the first place, due to many factors, such as TB not being fully defined as the default email client, broken MAPI settings, presence of Outlook etc. There was a similar issue with Win7 computers a while ago, but the fix was totally different (installing an MS update).

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Well funny enough while troubleshooting 65.2.3 came out so I updated... same issue...

My windows boxes are fully updated. It just seems random.

My program connects to thunderbird no problem either sending the email automatically or popping up so I can send manually, either way it works... but I want to be able to manually send everytime...

Sorry if I keep repeating myself, I can't be the only person who has seen this :(

Thanks for the info.

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Are you sometimes sending files with non-ASCII names? If so, see the registry fix (and read the accounts of other users).

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It's not even a file or attachment being sent, it's literally an email of words letting people know a load has been delivered.

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So, the words are directly embedded in the message body, or are they attached to a message as a file?

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Directly embedded in the body.