Update copyright line

Update holidays 2023

Default interpreter changed to 27

TEST: Safeguard to mailloop

Supply maintainer's name to :mischief message with sprintf

Quotation preserved in faked from header

1.20

Typo of itemizing

add README.md

add .gitignore

Enclose checkbutton with label element

New logo(check-in too late)

Filename escaping should not work on upper letters.

Do check the invieonly attr on user participation request

Group name length 12 is too short. Changed to 30.

ruby21

Set from:comment to email if post from alien

Should use sub_nt* instead of nt* in modifying mode

Add filtering feature to schedule listing

Put original received headers aside to reduce hop count

Alter messege according to mode

Link to home in groupman()

Do not send to $SENDER when viamail mode

Enable inter-member mail ...

Support attachment files

Add feature of sending message to a user

- The parameter pswdlen surely works ...

- Subject tag `NONE' introduced
- New group parameter xmlname controls 'X-ML-Name: ' header
- Remove ML spool dir when group destruction

Refrain from putting Date: header at mail injection(with sendmail command).

typo

Correct date format for SMTP.

Empty check, fixed.