I want that my program could send email without using Microsoft Outlook or other programs or SMTP server. Is that possible? Can I send email without connecting to SMTP server?
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I want that my program could send email without using Microsoft Outlook or other programs or SMTP server. Is that possible? Can I send email without connecting to SMTP server?
You can’t by definition, since email gets through the recipient at least passing through the SMTP server of his/her domain.
You may send it directly to the recipient’s SMTP server instead of going through the ISP’s server getting its data through DNS (which is basically re-implementing a local SMTP server on your own), but it’s not a good idea, since many target servers will refuse to accept your mails due to spam concerns (your connection will probably come through graylisted “residential” IP addresses, it won’t have a rDNS record, …).