"The group address has been changed, please use the following address."
"Please note that the previous address of 000 will become invalid in a few days."
"URGENT. Please contact me at the address below."
"urgent" 「至急です」
"please contact me at ~" 「〜に連絡してください」
"the address below" 「下記」
"The group address has been changed, please use the following address."
"the group address" 「グループアドレス」
"has been changed" 「変更となりました」
"please use ~” 「をお使いください」
"the following address" 「下記アドレス」
"Please note that the previous address of 000 will become invalid in a few days."
"please note that ~" 「〜でご注意ください」
"the previous address of 000" 「以前の〇〇〇のアドレスは」
"will become invalid" 「無効になります」
"in a few days" 「数日後に」