Yes, you can use SMTP SSL/TLS 465 to send email securely. If you want secure imap receiving ,...Fixing the Cannot Verify Server Error in iPhone and iOS devices
If you are using an Apple iOS device and the mail client is getting the "cannot verify server...How Do I Enable SMTP Authentication?
...I'm not able to connect to the SMTP server! What can I do?
I'm not able to connect to the SMTP server! What can I do? Before opening a support...Is there any alternate port for SMTP?
Is there any alternate port for SMTP? Yes. Many ISP's have started blocking the default...Is there any limit to the quantity of emails I can send?