• POP3 service: port 110 over STARTTLS (recommended), or port 995 with SSL.
  • IMAP service: port 143 over STARTTLS (recommended), or port 993 with SSL.
  • SMTP service: port 587 over STARTTLS.
  • 常用的端口(SMTP: 587, POP3: 995, IMAP: 993)
如果觉得我的文章对你有用,请随意赞赏