Outgoing email server times out

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Thunderbird: timeout message for SMTP on sending
January 11, at 6: I will remove that function. Your email address will not be published. Sending mail with Thunderbird times out Category: Norton Internet Security and Malwarebytes running in background. Outgoing server is outgoing.

How to fix 'connection to server timed out' error?

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It must have happened after an update to the McAfee software. Every virus scanner has the option to scan incoming and outgoing e-mail messages. Turning this feature off may prevent the time out error from occurring in Thunderbird.

I have noticed this problem when a file is too large 8 MB plus for Thunderbird to pull through. So, I go onto my mail server and delete it from there and then Thunderbird works just fine. The 8M limitation may be something that is being imposed by your mail server.

Thunderbird can download files much larger than this. Your email address will not be published. User Replied on May 1, I suggest this might be a problem with your mail provider and not Windows. Have you contacted their support desk? Thanks for marking this as the answer. How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site. How satisfied are you with this response? What e-mail program do you normally use? What is the size of the attachment?

Who is your mail server? What is after the in your address. I hope this helps. DEJ70 Replied on May 1, In reply to A. User's post on May 1, I did contact Verizon but he didn't seem to know where he was going. He just kept trying things that didn't relate to the connection issue. He seemed to think the problem was with the email program but I don't.

I have the same problem with Verizon email, Thunderbird, Gmail etc. I normally use Thunderbird but the problem occurs with Yahoo, Verizon Email and several other programs. The attachments are small, 1 jpg file is all it takes to timeout. Increasing the timeout setting from the default 60 seconds to seconds might help. However, the timeout setting, as with many preferences, cannot be set using the GUI. The first step is to figure out the name of the preference.

If you can't find the preference in the knowledge base, try using the Config Editor to identify the name of the preference. If you type timeout in the filter you may see something like the following:.

You need a preference whose name begins with mail or mailnews it tends to have global settings. That leaves the mailnews.

Double click on it, enter , and press the OK button. For example, pref "mailnews. You should not edit that file.

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