usingcurl/smtp.md: remove exclamation mark

Keep proselint happy
curl · Dec 21, 2024 · c4e9589 · c4e9589
1 parent a2044dc
commit c4e9589
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/usingcurl/smtp.md b/usingcurl/smtp.md
@@ -94,7 +94,7 @@ to the mail server at `mail.example.com`, use:
 
     curl smtp://mail.example.com/client.example.com
 
-## No MX lookup!
+## No MX lookup
 
 When you send email with an ordinary mail client, it first checks for an MX
 record for the particular domain you want to send email to. If you send an