一些收件人正在对我的邮件服务器进行RDNS验证,但被拒绝。
我有一个CentOS VPS与我的网站和邮件服务器为我的业务。
这里有什么问题吗?我也可以公开我的后缀。如果你能帮我指出正确的方向,我将不胜感激。
未发送邮件返回发件人--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
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The mail system
: 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:user@domain.com;
TXT domain.com v=spf1 mx a ~all用于IMAP和SMTP的域
mail.domain.com发布于 2018-05-10 17:40:40
您不能直接控制VPS IP地址的反向DNS记录。VPS提供程序控制这些记录。有关如何设置反向DNS记录的说明,请与该提供程序联系。
https://serverfault.com/questions/911660
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