Lot of MacBook Pro users reported this issue. Mac mail can receive email but can’t send email. The send symbol just spin around and not sending any emails.
So How to fix this issue?
Go to Mail -> Preferences -> Accounts -> Select the mail account that won’t send mails.
When it says “outgoing mail server (SMTP), click your mail like Gmail or Yahoo.
Mine used to say Gmail (offline).
Apple support Guide: Mac OS X 10.5: Can receive email, but not send email
Other Mac mail related issues & solutions
- Mac: Mail not showing new messages in inbox, fix
- Apple mail not showing inbox unread & total count, fix
If you have any other issues related to Apple Mac app, do let us via comment. We will try to find a solution for your problem.