If emails you sent in your mail client are stuck in your outbox, try these fixes: If you're sending email through Apple Mail and you currently have 'smtp.gmail.com:username@gmail.com' in the 'Outgoing Mail Server:' field of your settings, try changing the field to 'smtp.gmail.com' instead.

GMail - IMAP, SMTP, POP3 Server Settings Apr 18, 2019 Sending from email client using Gmail smtp server - Gmail No, it's not only for messages sent with the Gmail web interface - it is (as it reads) for any messages "sent with Gmail" - that includes by using the Gmail SMTP server. If you create that setting, Check Gmail through other email platforms - Gmail Help Check Gmail through other email platforms Set up IMAP and change your SMTP settings to read Gmail messages in other mail clients, like Microsoft Outlook and Apple Mail. When you use IMAP, you can Read Gmail messages on other email clients using POP

Feb 20, 2018

Gmail Incoming and Outgoing Mail Server Settings Gmail outgoing server is SMTP. SMTP stands for simple mail transfer protocol. It is for sending emails. For SMTP good security is needed otherwise there are spam threats. How to enable IMAP/POP3/SMTP for Gmail Account

IMAP, POP, and SMTP | Gmail IMAP | Google Developers

May 30, 2020 Enable SMTP mail with gmail - YouTube