What Do You Do when ImportExportTools is Not an Option in Thunderbird?

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Problem scenario
You installed ImportExportTolls NG, the add-on in Mozilla Thunderbird. In Thunderbird you go to Tools, but “ImportExportTools” or “ImportExportTools NG” is not visible. What do you do?

Solution
You need to have a mailbox — even an empty mailbox — configured. This will import all the messages you are trying to import into that mailbox. The hamburger icon’s Tools -Import,

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How Do You Find the Vertical Scroll Bar to Browse Emails in Apple Mail?

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Problem Scenario
You are using Apple Mail. You want to scroll up and down to see the senders and subjects of emails. You cannot find the vertical scroll bar. What should you do?

Solution
Increase or decrease the window’s vertical length by clicking and holding a horizontal edge of the window with the mouse and moving the edge in one direction.

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How Do You Save All the Emails in Your Gmail Account Locally?

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Problem scenario
You want all the emails in your gmail account to be saved. You want the text of the messages searchable, and you want to save the attachments. How do you do this?

Solution

  1. Export your messages to an .mbox format. Refer to the “email” option here: https://support.google.com/accounts/answer/3024190?hl=en
  2. Install Thunderbird.
  3. Install the ImportExportTool NG add-on in Thunderbird.

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How Do You Back Up Many Emails from a Web-based Email Quickly?

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Problem scenario
You want to back up many different emails from a web-based email. You cannot select several and print them all at once. What should you do?

Solution
Prerequisite
This assumes your web-based email can be configured to work with a desktop email client (such as Outlook).

Procedures
Install and configure Thunderbird,

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How Do You Extract an Email Address from a CSV File?

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Problem scenario
You have a CSV file with email addresses. You want to return only the email address — not lines that have an email address. What do you do?

Solution
Assuming the email addresses are in a file named email.txt, use this Python 3 program:

with open(’email.txt’, ‘r’) as a:
for b in a:
if ‘@’ in b: #operate only on lines with “@”
c = b.split() #split up words on line
for d in c: #iterate through characters of words
if ‘@’ in d: #if email address, …

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How Do You Find the File That Gives Mozilla Thunderbird Its Settings to Start Over with Thunderbird?

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Problem scenario
You have uninstalled and reinstalled Thunderbird. You used CCleaner to eliminate traces of a previous configuration of Thunderbird. You want to have no vestiges of the old data and older email account. How do you get clean start with Thunderbird (like an installation on a new workstation that has never had it)?

Solution
1. Open Thunderbird
2. Right click on an email username on the left (e.g.,

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How Do You Troubleshoot the Postfix Error “454 4.7.1 jdoe@acme.com: Relay access denied”?

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Problem scenario
You are trying to send an email on a Postfix server. But you keep getting this error: “454 4.7.1 jdoe@acme.com: Relay access denied”

What should you do?

Solution

  1. Back up the /etc/postfix/main.cf file just in case. (This is an optional step.)
  2. Find you server’s internal IP address with a command like this: ip addr show | grep eth0 | grep inet | awk ‘{print $2}’
  3. Modify the /etc/postfix/main.cf file.

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