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Trouble SENDING emails

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For the past few weeks I have been having a lot of trouble sending emails either as a new email or a reply or even accepting a calendar invite. The sending function pops up a box saying it is sending the email but the send times out after about 30 seconds. If I keep hitting the SEND button after each timeout it eventually works. Receiving new emails works without issue.

I am running a current Windows 10 pro using Thunderbird 128.4.2esr 64 bit with a basic Windows firewall and AVAST antivirus.

There are two different email providers, Gmail and Bell Sympatico, so I have two outgoing SMTP servers defined. This has been my setup for many years and I haven't knowingly changed anything in Thunderbird settings related to this issue. I think the last change I made was to set the OAUTH option for GMAIL a couple of years ago. I am attaching two screen shots to show the outgoing SMTP server settings.

For the past few weeks I have been having a lot of trouble sending emails either as a new email or a reply or even accepting a calendar invite. The sending function pops up a box saying it is sending the email but the send times out after about 30 seconds. If I keep hitting the SEND button after each timeout it eventually works. Receiving new emails works without issue. I am running a current Windows 10 pro using Thunderbird 128.4.2esr 64 bit with a basic Windows firewall and AVAST antivirus. There are two different email providers, Gmail and Bell Sympatico, so I have two outgoing SMTP servers defined. This has been my setup for many years and I haven't knowingly changed anything in Thunderbird settings related to this issue. I think the last change I made was to set the OAUTH option for GMAIL a couple of years ago. I am attaching two screen shots to show the outgoing SMTP server settings.
附加的畫面擷圖

被選擇的解決方法

uninstall avast and see if things improve. My guess is that is where the problem lies.

從原來的回覆中察看解決方案 👍 0

所有回覆 (2)

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選擇的解決方法

uninstall avast and see if things improve. My guess is that is where the problem lies.

有幫助嗎?

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I checked the settings in AVAST and under Core Shields/Mail Shield there was one to scan outbound emails (SMTP) that was enabled. I disabled it and this solved my problem.

有幫助嗎?

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