What are the different SMTP extensions and how do they enhance the functionality of the base SMTP protocol?

... information for the Internet community. This memo does ... The design of the SMTP protocol effectively requires the server to manage a mail delivery queue. The sender's server sends the email to the recipient's server using the SMTP protocol. ... Since the message or attachments may contain sensitive information — ... Jan 8, 2025 ... Help message, Response to the HELP command. No action is needed; informational only. 220, Service ready, The SMTP server is ready to receive ... Feb 4, 2025 ... This should discover your account in Office 365 using IMAP. 4. If Thunderbird could not find your mailbox, enter the Manual Server Information ... Jul 31, 2024 ... Step 1: Configure the SMTP server that is used to send email ... informational events, or status events, depending on the event category. Aug 10, 2023 ... About SMTP bounce codes. The information on this page describes the RFC standards, not the actual implementation on MTA/Mail Server side. Mail ... Nov 17, 2022 ... At this point, your email provider will send crucial information to the SMTP server, such as your email address, message body, and recipient's ... Jan 16, 2024 ... ... the SMTP authentication method while sending email alerts to the configured mail server. ... the information about the syslog mail server ... Use the mkemailserver command to create an email server object that describes a remote Simple Mail Transfer Protocol (SMTP) email server. Update: when I switched from an O365 group email account to a regular shared email account the smtp server test was successful. I can send - 259979.