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Trouble sending emails to btconnect.com email addresses.

jamesod9090
Member

on ‎09-11-2017 03:51 PM

Hi, we are having difficulty sending emails to our clients that have btconnect.com email addresses. 

 

We've contacted our provider who facilitate the delivery of our emails and they have said its a common problem that affects allot of their customers and have put it down to BT's policies being so strict. Their advice was to ask our clients for alternative email addresses... 

 

All our SPF and DKIM settings are correct and this issue only affects btconnect addresses, I've checked all that popular blacklists and we are not listed. 

 

Looking at the send logs from our mail platform it looks like BT use outlook, but we have no problems emailing outlook addresses. 

 

"SMTPD"	6388	72759	"2017-11-09 13:24:59.994"	"192.168.2.146"	"SENT: 220 HELO"
"SMTPD"	7468	72759	"2017-11-09 13:25:00.009"	"192.168.2.146"	"RECEIVED: EHLO DESKTOP0L9VKBN"
"SMTPD"	7468	72759	"2017-11-09 13:25:00.009"	"192.168.2.146"	"SENT: 250-HELO[nl]250-SIZE 50000000[nl]250-AUTH LOGIN[nl]250 HELP"
"SMTPD"	7952	72759	"2017-11-09 13:25:00.009"	"192.168.2.146"	"RECEIVED: AUTH LOGIN"
"SMTPD"	7952	72759	"2017-11-09 13:25:00.009"	"192.168.2.146"	"SENT: 334 VXNlcm5hbWU6"
"SMTPD"	6388	72759	"2017-11-09 13:25:00.009"	"192.168.2.146"	"RECEIVED: dGVzdEBzZXF1ZW5jZWxlZ2FsLmNvLnVr"
"SMTPD"	6388	72759	"2017-11-09 13:25:00.009"	"192.168.2.146"	"SENT: 334 UGFzc3dvcmQ6"
"SMTPD"	7468	72759	"2017-11-09 13:25:00.009"	"192.168.2.146"	"RECEIVED: ***"
"SMTPD"	7468	72759	"2017-11-09 13:25:00.009"	"192.168.2.146"	"SENT: 235 authenticated."
"SMTPD"	6388	72759	"2017-11-09 13:25:00.025"	"192.168.2.146"	"RECEIVED: MAIL FROM: <test@---------------------.co.uk>"
"SMTPD"	6388	72759	"2017-11-09 13:25:00.025"	"192.168.2.146"	"SENT: 250 OK"
"SMTPD"	7952	72759	"2017-11-09 13:25:00.025"	"192.168.2.146"	"RECEIVED: RCPT TO: <------------------@btconnect.com>"
"SMTPD"	7952	72759	"2017-11-09 13:25:00.025"	"192.168.2.146"	"SENT: 250 OK"
"SMTPD"	6388	72759	"2017-11-09 13:25:00.041"	"192.168.2.146"	"RECEIVED: DATA"
"SMTPD"	6388	72759	"2017-11-09 13:25:00.041"	"192.168.2.146"	"SENT: 354 OK, send."
"DEBUG"	7468	"2017-11-09 13:25:00.072"	"Adding task AsynchronousTask to work queue Asynchronous task queue"
"DEBUG"	2324	"2017-11-09 13:25:00.072"	"Executing task AsynchronousTask in work queue Asynchronous task queue"
"DEBUG"	2324	"2017-11-09 13:25:00.072"	"Saving message: {A2D2F774-27A2-48B7-A65C-3A3F49EF6205}.eml"
"DEBUG"	2324	"2017-11-09 13:25:00.072"	"Requesting SMTPDeliveryManager to start message delivery"
"SMTPD"	2324	72759	"2017-11-09 13:25:00.072"	"192.168.2.146"	"SENT: 250 Queued (0.000 seconds)"
"DEBUG"	1796	"2017-11-09 13:25:00.072"	"Adding task DeliveryTask to work queue SMTP delivery queue"
"DEBUG"	8036	"2017-11-09 13:25:00.072"	"Executing task DeliveryTask in work queue SMTP delivery queue"
"DEBUG"	8036	"2017-11-09 13:25:00.072"	"Delivering message..."
"DEBUG"	8036	"2017-11-09 13:25:00.072"	"Applying rules"
"DEBUG"	8036	"2017-11-09 13:25:00.072"	"Performing local delivery"
"DEBUG"	8036	"2017-11-09 13:25:00.072"	"Local delivery completed"
"TCPIP"	8036	"2017-11-09 13:25:00.072"	"DNS MX lookup: btconnect.com"
"TCPIP"	8036	"2017-11-09 13:25:00.134"	"DNS - MX Result: 2 IP addresses were found."
"DEBUG"	8036	"2017-11-09 13:25:00.134"	"Starting external delivery process. Server: btconnect-com.mail.eo.outlook.com (213.199.180.138), Port: 25, Security: 0, User name: "
"DEBUG"	8036	"2017-11-09 13:25:00.134"	"Creating session 72767"
"TCPIP"	8036	"2017-11-09 13:25:00.134"	"Connecting to 213.199.180.138:25..."
"DEBUG"	7952	"2017-11-09 13:25:00.181"	"TCP connection started for session 72767"
"SMTPC"	7952	72767	"2017-11-09 13:25:00.228"	"213.199.180.138"	"RECEIVED: 220 AM5EUR02FT011.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Thu, 9 Nov 2017 13:25:02 +0000"
"SMTPC"	7952	72767	"2017-11-09 13:25:00.228"	"213.199.180.138"	"SENT: HELO HELO"
"SMTPC"	1272	72767	"2017-11-09 13:25:00.243"	"213.199.180.138"	"RECEIVED: 250 AM5EUR02FT011.mail.protection.outlook.com Hello [51.179.148.242]"
"SMTPC"	1272	72767	"2017-11-09 13:25:00.243"	"213.199.180.138"	"SENT: MAIL FROM:<test@------------------------.co.uk>"
"SMTPC"	7952	72767	"2017-11-09 13:25:00.275"	"213.199.180.138"	"RECEIVED: 250 2.1.0 Sender OK"
"SMTPC"	7952	72767	"2017-11-09 13:25:00.275"	"213.199.180.138"	"SENT: RCPT TO:<--------------------@btconnect.com>"
"SMTPC"	6388	72767	"2017-11-09 13:25:00.321"	"213.199.180.138"	"RECEIVED: 250 2.1.5 Recipient OK"
"SMTPC"	6388	72767	"2017-11-09 13:25:00.321"	"213.199.180.138"	"SENT: DATA"
"SMTPC"	7468	72767	"2017-11-09 13:25:00.337"	"213.199.180.138"	"RECEIVED: 354 Start mail input; end with <CRLF>.<CRLF>"
"SMTPC"	7468	72767	"2017-11-09 13:25:00.337"	"213.199.180.138"	"SENT: [nl]."
"DEBUG"	6388	"2017-11-09 13:25:01.491"	"Creating session 72768"
"TCPIP"	6388	"2017-11-09 13:25:01.491"	"TCP - 192.168.2.146 connected to 192.168.2.42:994."
"DEBUG"	6388	"2017-11-09 13:25:01.491"	"TCP connection started for session 72761"
"DEBUG"	7468	"2017-11-09 13:25:01.538"	"Saving message: {01096D73-126E-4CD0-B0AE-D97DD00CD8D7}.eml"
"DEBUG"	7468	"2017-11-09 13:25:01.554"	"Reading messages from database."
"SMTPC"	6388	72767	"2017-11-09 13:25:01.554"	"213.199.180.138"	"RECEIVED: 250 2.6.0 <006301d3595e$25d1a310$7174e930$@--------------co.uk> [InternalId=5484673245361, Hostname=VI1PR0701MB3021.eurprd07.prod.outlook.com] 9429 bytes in 0.160, 57.461 KB/sec Queued mail for delivery"
"SMTPC"	6388	72767	"2017-11-09 13:25:01.554"	"213.199.180.138"	"SENT: QUIT"
"SMTPC"	7468	72767	"2017-11-09 13:25:01.569"	"213.199.180.138"	"RECEIVED: 221 2.0.0 Service closing transmission channel"

Any help would be greatly appreciated. 

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2 REPLIES 2

Plumly
Grand Master

‎14-11-2017 10:27 AM - edited ‎14-11-2017 10:28 AM

hi James, All that log shows is the mail was delivered into the queue, It would require BT now to check the BT logs to see if they delivered it, thanks plumly
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jamesod9090
Member
In response to Plumly

‎20-11-2017 04:43 PM - edited ‎20-11-2017 04:43 PM

Hi Plumly, 

 

I know that I was just providing it so they can see it did hit their servers and was accepted. 

 

The problem is that any person/business we email that uses BT for their mail doesn't receive our messages at all, not in spam, not in inbox. 

 

Nor do we get a bounce email to advise of non-delivery its really a problem and we are having to advise our clients to use another provider so that we can email them. 

 

Thanks 

 

James 

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