關於 Mdaemon TLS
本文章最後由 molzee.spy 於 2024-1-11 11:15 AM 編輯請問一下版本的前輩，日前發生一個問題，就是客戶收不到信件，客戶回覆該他們啟用TLS，要我們也啟用
目前我的MD有使用letsencrypt做SSL，我也有啟用STSRTTLS，
但查了LOG，MD一樣使用未加密的SMTP去連線，這是對的嗎？
還是有什麼地方漏掉沒設定呢？還是對方的問題？
Tue 2024-01-09 05:30:21.732: REMOTE message: pd9001000000020.msg
Tue 2024-01-09 05:30:21.732: *Session 00807796; child 0002
Tue 2024-01-09 05:30:21.733: *From: [email protected]
Tue 2024-01-09 05:30:21.733: *To: [email protected]
Tue 2024-01-09 05:30:21.733: *Subject: Re: 訂單請E_mail
Tue 2024-01-09 05:30:21.733: *Message-ID: <[email protected]>
Tue 2024-01-09 05:30:21.733: *Size: 1439830; <c:\mdaemon\queues\remote\retry\pd9001000000020.msg>
Tue 2024-01-09 05:30:21.740: Resolving TXT record for a.b.c.d (DNS Server: fd18:52d4:3083::1)...
Tue 2024-01-09 05:30:31.705: *DNS: 10 second wait for DNS response exceeded (DNS Server: fd18:52d4:3083::1)
Tue 2024-01-09 05:30:31.705: Resolving TXT record for a.b.c.d (DNS Server: 192.168.6.5)...
Tue 2024-01-09 05:30:31.747: No MTA-STS TXT record found
Tue 2024-01-09 05:30:31.748: Resolving MX record for b.c.d (DNS Server: fd18:52d4:3083::1)...
Tue 2024-01-09 05:30:41.714: *DNS: 10 second wait for DNS response exceeded (DNS Server: fd18:52d4:3083::1)
Tue 2024-01-09 05:30:41.715: Resolving MX record for b.c.d (DNS Server: 192.168.6.5)...
Tue 2024-01-09 05:30:41.753: *P=010 S=000 D=npc.com.tw TTL=(60) MX=
Tue 2024-01-09 05:30:41.753: *P=010 S=001 D=npc.com.tw TTL=(60) MX=
Tue 2024-01-09 05:30:41.753: *P=010 S=002 D=npc.com.tw TTL=(60) MX=
Tue 2024-01-09 05:30:41.753: Attempting SMTP connection to mx6.bbbb.com.tw
Tue 2024-01-09 05:30:41.753: Resolving A record for mx6.bbbb.com.tw (DNS Server: 192.168.6.5)...
Tue 2024-01-09 05:30:41.754: *D=mx6.bbbb.com.tw TTL=(60) A=
Tue 2024-01-09 05:30:41.755: Attempting SMTP connection to x.x.x.x:25
Tue 2024-01-09 05:30:41.755: Waiting for socket connection...
Tue 2024-01-09 05:31:02.757: *Socket error 10060 - The connection timed out.
Tue 2024-01-09 05:31:02.757: *x.x.x.x added to connection failure cache for 5 minutes
Tue 2024-01-09 05:31:02.757: Attempting SMTP connection to mx3.bbbb.com.tw
Tue 2024-01-09 05:31:02.757: Resolving A record for mx3.bbbb.com.tw (DNS Server: 192.168.6.5)...
Tue 2024-01-09 05:31:02.774: *D=mx3.bbbb.com.tw TTL=(60) A=
Tue 2024-01-09 05:31:02.774: Attempting SMTP connection to y.y.y.y:25
Tue 2024-01-09 05:31:02.775: Waiting for socket connection...
Tue 2024-01-09 05:31:23.780: *Socket error 10060 - The connection timed out.
Tue 2024-01-09 05:31:23.780: Attempting SMTP connection to mx4.bbbb.com.tw
Tue 2024-01-09 05:31:23.780: Resolving A record for mx4.bbbb.com.tw (DNS Server: 192.168.6.5)...
Tue 2024-01-09 05:31:23.792: *D=mx4.bbbb.com.tw TTL=(60) A=
Tue 2024-01-09 05:31:23.792: Attempting SMTP connection to z.z.z.z:25
Tue 2024-01-09 05:31:23.792: Waiting for socket connection...
Tue 2024-01-09 05:31:44.796: *Socket error 10060 - The connection timed out.
Tue 2024-01-09 05:31:44.796: *z.z.z.z added to connection failure cache for 5 minutes
Tue 2024-01-09 05:31:44.796: *This message is 0 days old; it has 2 days left to get delivered
Tue 2024-01-09 05:31:44.797: SMTP session terminated (Bytes in/out: 0/0)
Tue 2024-01-09 05:31:44.797: ----------
TLS 需要使用到 port 587 或 465。看看有沒有開啟，並確認是不是跟這個有關。
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