Thunderbird không nhận được mail

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If you cannot send messages, this page provides a series of steps you can follow lớn kiểm tra for comtháng problems. If you have problems receiving messages, see Cannot receive messages.

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The problem suddenly started after updating khổng lồ Thunderbird version 78?

If your existing configuration suddenly stopped working after updating to Thunderbird 78, it might be your Antivirus or Firewall blocking the new version, or your tin nhắn provider using outdated TLS security protocols. See these sections below:


Verify your SMTP outgoing tin nhắn settings Look for an SMTP mail settings article on the mail provider"s site. This is usually in the sathachlaixe.vn section of their website; searching for "mail settings" or "SMTP" will usually find it. Check that your Thunderbird settings match the documented settings.

Verify the correct SMTPhường Server is being used In the Thunderbird menu bar, cliông chồng the ToolsEdit thực đơn và select Account Settings, or cliông chồng the Application thực đơn button và select OptionsPreferences and Account Settings from the sub-menu, & select the account name. Verify that you are using the right SMTP.. VPS for the email address. Most of the time you cannot send messages from one account provider using another account provider"s service. For example, you cannot send a mail from "joe
gmail.com" through Yahoo"s SMTPhường hệ thống.

Verify that your outgoing tin nhắn is not being blocked

Verify that your outgoing tin nhắn is not being blocked by your firewall, antivirus software or your Internet Service Provider:

Try briefly turning both antivirus & firewall software off, sending a demo email, & turning them on and sending another kiểm tra gmail.

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Note: Firewall or antivi khuẩn software blocking outgoing email is a common cause of not being able lớn sover messages after updating Thunderbird, since it may be set khổng lồ trust the previous version of Thunderbird & no longer recognize the updated version as trusted. Remove Thunderbird from your program"s menu of trusted or recognized programs, then add it baông xã manually or when prompted to resolve sầu this.
Many ISPs blochồng outgoing gmail on port 25. You may have to switch lớn another port (e.g. 587 or 465). Contact your ISP"s tư vấn to see if they are blocking your outgoing tin nhắn port.Verify that your mail VPS sathachlaixe.vns the minimum version of TLS

Thunderbird 78 expects higher security standards for the so-called TLS network encryption protocol. If your provider does not tư vấn the newer versions of the protocol, sending & receiving of messages may fail. You can temporarily lower the bar to check if this is the reason for your problem (which obviously reduces security, so it"s not recommended). More details & instructions here:

Thunderbird 78 FAQ - After upgrading to lớn Thunderbird 78, I cannot get or send gmail messages

Delete SMTPhường Password

Try deleting your SMTPhường password. However, don"t vì this as a first step, especially if you cannot skết thúc messages after updating Thunderbird while you previously could. In such case, usually there is nothing wrong with a stored SMTP password in Thunderbird (see above).

Rephối SMTP. Password

Try changing your SMTP password. This is usually done via a "rephối email password" size on your ISP"s tư vấn trang web.

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If this menu doesn"t help

Please create a new sathachlaixe.vn request with a screenshot of your SMTPhường settings with your user id obscured, & include the following information: your mail provider (for example, Gmail), ISP. (for example, Comcast), firewall version (if any), antivirus software and version (if any), operating system và version (for example Windows 7 or Mac OS X Mavericks), and Thunderbird version (for example Thunderbird 38.2.0). See the How bởi vì I create a screenshot of my problem? article for information on how lớn create a screenshot.

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