From bd017c5d34545a24008cb85c12999d9c93d4f5b5 Mon Sep 17 00:00:00 2001 From: Phuong Nguyen Date: Mon, 17 Feb 2020 15:23:36 +0700 Subject: [PATCH] --- ...1-log-l%E1%BB%97i-c%E1%BA%A7n-quan-t%C3%A2m.md | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 M%E1%BB%99t-s%E1%BB%91-log-l%E1%BB%97i-c%E1%BA%A7n-quan-t%C3%A2m.md diff --git a/M%E1%BB%99t-s%E1%BB%91-log-l%E1%BB%97i-c%E1%BA%A7n-quan-t%C3%A2m.md b/M%E1%BB%99t-s%E1%BB%91-log-l%E1%BB%97i-c%E1%BA%A7n-quan-t%C3%A2m.md new file mode 100644 index 0000000..ce27796 --- /dev/null +++ b/M%E1%BB%99t-s%E1%BB%91-log-l%E1%BB%97i-c%E1%BA%A7n-quan-t%C3%A2m.md @@ -0,0 +1,15 @@ +## Thư bị chặn + +550-5.7.1 LIEBHERR spam recognition! Please add U-mgdA2BMa4iL in subject AND body and re-send your email after 15 minutes. +550-5.7.1 CYREN IP reputation determined a medium risk associated with the sender address 171.244.9.134. +550 5.7.1 MAIL FROM domain (return.prmailmx.com) and Header-From domain (ckda.vn) are not equal. + +- Lý do: Mail gửi từ domain ckda.vn có header-from (return.prmailmx.com) không trùng tên domain. +- Gửi lại thư: add U-mgdA2BMa4iL vào subject,body và gửi lại thư sau 15p +- Khắc phục: Xác thực các bản ghi của domain trên postman. + +## Server nhận yêu cầu có bản ghi MX +451 does not have an MX record + +## Server postman thiếu ip reverse DNS +550-5.5.1 Your server IP address [171.244.9.123] is missing a reverse DNS 550-entry. See http://spamauditor.org/best-practices/check-ip-reverse-dns/ for 550-more information.. Protection provided by MagicSpam 2.1-12.1 550 http://www.magicspam.com \ No newline at end of file