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Can't send emails with attachments

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jhtrinity
jhtrinity
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My client had a new computer last week. Installed thunderbird which was working fine until today. He can't send emails with attachments. It's a gmail account, which works fine in the browser and on other machines with thunderbird.On his machine it just times out

He has windows defender as his antivirus

My client had a new computer last week. Installed thunderbird which was working fine until today. He can't send emails with attachments. It's a gmail account, which works fine in the browser and on other machines with thunderbird.On his machine it just times out He has windows defender as his antivirus

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Matt
Matt
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first try without windows defender, just to eliminate it.

Check the gmail setting on gmail.

Is the allow less secure apps turned on or off. Is the person using Google two factor authentication? Have they created an application password for Thunderbird if that is the case?

Almost all issues with Google are about two factor authentication and less secure application.

The next most common issue is firewall and anti virus.

The remaining one in one thousand is difficult to diagnose and usually requires a log https://wiki.mozilla.org/MailNews:Logging