If you are returned to the error message, select the server you just edited, and click Try With Selected Server. The server (edge and hub) is behind a UNIX smtp server performing anti virus and anti spam.If the port is listed in orange, make sure this is selected. If the port is listed in black, leave this unselected. Make sure all the fields match your correct settings:Īutomatically detect and maintain account settingsĪ port number from your Email Setup Center.Click the menu next to Outgoing mail server and select Edit SMTP server list. Select the duplicate server, then click - below the list. Go to Accounts and select the account you want to use with SMTPeter.

If you have multiple servers with the same name, you will need to remove the duplicates.Select the server in use by your account.If you don’t have the error open, or don't see this option: Select your account under Inbox, click the cog under the mailbox list, and select Edit “ ”… Then click the menu next to Outgoing Mail Server (SMTP), and select Edit SMTP Server List… If you have the option on the error message, click Edit SMTP Server List.In either case, there is something wrong with your outgoing server settings. Or you just may not be able to send mail, without seeing an error message. The sender address was rejected by the server You may see an error message in Apple Mail that says:Ĭannot send message using the server Big Sur 11 - Mac Mail - Step 4 - Enter Outgoing Mailserver. Apple Mail Error: Cannot Send Message Using the Server Click on the Outgoing Mail Server drop down menu and select Edit SMTP Server List.

Edit smtp server list