Note: Sending emails also works if TCP 25 is set as a port in connection settings, but using TCP 587 is recommended. Office 365 SMTP server settingsĪlternative server: Īuthentication: Yes – use your full username and password. Note: 10,000 emails a day is the limit for Office 365 Exchange. Microsoft Office 365 Exchange Online supports both POP3 and IMAP protocols for receiving email messages by clients. You may prefer using IMAP if you need to use email clients on your home and work computer, for example, or if you use both a web interface and an email client. A user can group and categorize received email messages in folders by using an email client installed on a local machine and synchronize this structure with a mail server. When IMAP is used, email messages are stored on a mail server and are not deleted when a user receives email messages. IMAP (Internet Message Access Protocol) is an alternative protocol for receiving email messages. If you use one computer to send and receive emails, POP3 is a good choice. If you need to access your mail from different devices, using POP3 to receive email on email clients may not be convenient. Exchange Online servers is not an exclusion – once you have downloaded an email message in an email client by using a POP3 protocol, you cannot see that message in the web interface of Office 365 Outlook.
Basically, POP3 was developed to delete email messages from a mail server once they are downloaded by an email client. POP3 (Post Office Protocol 3) is a protocol for receiving email messages. Office 365 SMTP settings must be set in an email client to send an email. When a client needs to send an email, the client opens a TCP connection to an SMTP server which always listens to the appropriate TCP port (TCP 25 by default). SMTP (Simple Mail Transfer Protocol) is an application layer protocol used for email sending. The following mail protocols are usually used: When you use an email client, you should set the configuration for sending and receiving email messages. Get the Free Trial now! What Settings Should I Use for an Email Client?
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