![550 我的 IP 没有 RDNS 条目(回复 RCPT TO 命令)](https://linux22.com/image/721658/550%20%E6%88%91%E7%9A%84%20IP%20%E6%B2%A1%E6%9C%89%20RDNS%20%E6%9D%A1%E7%9B%AE%EF%BC%88%E5%9B%9E%E5%A4%8D%20RCPT%20TO%20%E5%91%BD%E4%BB%A4%EF%BC%89.png)
一些收件人正在对我的邮件服务器进行 RDNS 验证并被拒绝。
我有一个 CentOS VPS,上面有我公司的网站和邮件服务器。
这里有什么问题吗?我也可以提供我的 postfix 配置。任何能为我指明正确方向的帮助都将不胜感激
未送达的邮件退回给发件人这是主机 mail.domain.com 的邮件系统。
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
<[email protected]>: host mail.[destination_ip] said: 550 No
RDNS entry for 100.200.300.400 (in reply to RCPT TO command)
/etc/named.conf
zone "300.200.100.in-addr.arpa" {
type master;
file "/var/named/300.200.100.in-addr.arpa"
};
/var/named/300.200.100.in-addr.arpa
$TTL 3600
@ IN SOA clark.ns.cloudflare.com. elma.ns.cloudflare.com. (
2012020801 ; Serial
21600 ; refresh
3600 ; retry
3600000 ; expire
86400 ) ; minimum
IN NS clark.ns.cloudflare.com.
IN NS elma.ns.cloudflare.com.
; ----------- ENREGISTREMENTS -----------
$ORIGIN 300.200.100.in-addr.arpa.
400 IN PTR domain.com.
; ----------- ENREGISTREMENTS SPECIAUX -----------
在 cloudflare 上我有以下相关条目:
A mail points to VPS IP
MX domain.com mail handled by domain.com
TXT _dmarc v=DMARC1;p=none;rua=mailto:[email protected];
TXT domain.com v=spf1 mx a ~all
用于 IMAP 和 SMTP 的域
mail.domain.com
答案1
您无法直接控制 VPS IP 地址的反向 DNS 记录。您的 VPS 提供商控制这些记录。请联系该提供商以获取有关如何设置反向 DNS 记录的说明。