You can group contacts using a mailing list in Thunderbird for easier access and less trouble when trying to find out who to send a message to. Here is how to do this:

1. Open your Thunderbird address book
2. Press the "New List" button
3. Choose a name for your list and add contacts. There will be auto completion from your address book.

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

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When sending e-mails you can now add a recipient with the mailing list's name and the e-mail will be sent to all its members.