Open lenovouser opened 3 years ago
Same for me. I manually tested one of my email addresses and it failed the SMTP validation just because the mail server accepted secure connections only (also port 25 was timing out since plain SMTP was not supported) .
wikipedia.org/wiki/SMTPS
587
→ STARTTLS465
→ TLSMight fix #7, generally this library has been wrongly reporting invalid mailbox for a lot of domains that don't offer plain SMTP for me