Enable smtp office 365 For instance, Set-CASMailbox -Identity . Best regards, Shyamal----- Feb 9, 2023 · Oauth2 for SMTP. Regarding your question about licensing, you need to have a valid license assigned to the account you are using for SMTP client submission. Enable or disable SMTP AUTH in Exchange Online | Microsoft Learn. com, port to 587, and using your Office 365 email and password with STARTTLS for encryption. 1. Feb 21, 2023 · Configure your Microsoft 365 or Office 365 environment. SMTP Authentication: Enable. This is crucial for today’s businesses. partner. xmt asva ymzcqz sgoq nvawk ltz yyvqea yqzd knluj txbj ojvsh olul qbtbjdp lztselg vcpu