Why can I not send emails from my iphone7S even though I receive them?

I thought I had missed a model!

Anyhow do as SravanKra said, although 9/10 it is fixed by the last option - deleting the account from Settings, Passwords and Accounts, then add it back, This time round it should set up the output server again.

I am 69 in June! You're not old while you can still remember your date of birth.

Assuming your email is standard IMAP then deleting the email account on the Mac (Mail, Preferences, Accounts then click the - sign) and then add it back (+ sign then select the correct type of account) it should do the same server refresh.

I only change passwords infrequently but trying to go into settings and retyping the password is not as reliable as delete the account and add it back.

You can also try this.

Go to Settings>Passwords & Accounts>Your e-mail Account>Account>Incoming Mail Server. Make sure that your password has been entered there.

Know it here --> If you can't send email on your iPhone, iPad, or iPod touch ...

Which email account are you referring to? Google, iCloud, AOL, Exchange, Outlook, Yahoo or any Other

Delete and Add the account watch the three GIFs

1. iCloud
2. Outlook and Exchange
3. Gmail

7S?

I wasn't, I just never heard of a 7S