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| | | Author: | qwertyboy  | | Posted: | Aug 24, 2023 12:01 | | Subject: | Mail server setup misconfiguration | | Viewed: | 140 times | | Topic: | Technical Issues | |
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| Seeing repeated messages in the forum about not receiving emails from BrickLink,
I did some checking.
The DNS for bricklink.com shows an SPF record like this (broken up for readability):
v=spf1
- include:spf.protection.outlook.com
- ip4:54.209.67.9
- ip4:18.210.58.96
- ip4:3.213.113.25
- -all
This tells the world that emails sent from the bricklink.com email domain should
only be sent out from "anything spf.protection.outlook.com" (these
are Microsoft servers), or IP addresses 54.209.67.9, 18.210.58.96 and 3.213.113.25.
Furthermore, there is a DMARC entry set that explicitly tells the world to reject
any email that doesn't pass the SPF record (and possibly any DKIM - I haven't
checked those - yes, I am lazy).
I checked my mail server, and at least the last 4 days, any email sent from BL
to us was sent from IP address 54.208.31.131 . This address is not
on the SPF record, so the current setup basically says to the world "please
reject BL emails from blsmtp.bricklink.com".
Fortunately (for quite a few BL users) many email servers don't yet follow
these directions, and accept BL email coming from a non-conformant address.
BL should at least include 54.208.31.131 in their SPF record, and possibly check
DKIM.
Niek.
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| | | | | Author: | Emporiosa | | Posted: | Aug 24, 2023 12:07 | | Subject: | Re: Mail server setup misconfiguration | | Viewed: | 29 times | | Topic: | Technical Issues | |
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| | | BL should at least include 54.208.31.131 in their SPF record, and possibly check
DKIM.
Niek.
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I really appreciate you digging into this Niek. I feel like I've been arguing
against a brick wall with BL about it but couldn't prove it. Hopefully this
will point their IT folk in the right direction.
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| | | | | Author: | popsicle | | Posted: | Aug 24, 2023 12:12 | | Subject: | Re: Mail server setup misconfiguration | | Viewed: | 53 times | | Topic: | Technical Issues | |
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| In Technical Issues, qwertyboy writes:
| | Seeing repeated messages in the forum about not receiving emails from BrickLink,
I did some checking.
The DNS for bricklink.com shows an SPF record like this (broken up for readability):
v=spf1
- include:spf.protection.outlook.com
- ip4:54.209.67.9
- ip4:18.210.58.96
- ip4:3.213.113.25
- -all
This tells the world that emails sent from the bricklink.com email domain should
only be sent out from "anything spf.protection.outlook.com" (these
are Microsoft servers), or IP addresses 54.209.67.9, 18.210.58.96 and 3.213.113.25.
Furthermore, there is a DMARC entry set that explicitly tells the world to reject
any email that doesn't pass the SPF record (and possibly any DKIM - I haven't
checked those - yes, I am lazy).
I checked my mail server, and at least the last 4 days, any email sent from BL
to us was sent from IP address 54.208.31.131 . This address is not
on the SPF record, so the current setup basically says to the world "please
reject BL emails from blsmtp.bricklink.com".
Fortunately (for quite a few BL users) many email servers don't yet follow
these directions, and accept BL email coming from a non-conformant address.
BL should at least include 54.208.31.131 in their SPF record, and possibly check
DKIM.
Niek.
|
Helpful and informative, as your contributions in the forum so often are.
Thanks, Niek
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| | | | | Author: | Admin_Russell | | Posted: | Aug 24, 2023 12:19 | | Subject: | Re: Mail server setup misconfiguration | | Viewed: | 63 times | | Topic: | Technical Issues | |
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BrickLink
ID CardAdmin_Russell
|
Location:  USA, California |
| Member Since |
Contact |
Type |
Status |
| May 9, 2017 |
 |
Admin |
|
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| BrickLink Administrator |
|
| In Technical Issues, qwertyboy writes:
| | Seeing repeated messages in the forum about not receiving emails from BrickLink,
I did some checking.
The DNS for bricklink.com shows an SPF record like this (broken up for readability):
v=spf1
- include:spf.protection.outlook.com
- ip4:54.209.67.9
- ip4:18.210.58.96
- ip4:3.213.113.25
- -all
This tells the world that emails sent from the bricklink.com email domain should
only be sent out from "anything spf.protection.outlook.com" (these
are Microsoft servers), or IP addresses 54.209.67.9, 18.210.58.96 and 3.213.113.25.
Furthermore, there is a DMARC entry set that explicitly tells the world to reject
any email that doesn't pass the SPF record (and possibly any DKIM - I haven't
checked those - yes, I am lazy).
I checked my mail server, and at least the last 4 days, any email sent from BL
to us was sent from IP address 54.208.31.131 . This address is not
on the SPF record, so the current setup basically says to the world "please
reject BL emails from blsmtp.bricklink.com".
Fortunately (for quite a few BL users) many email servers don't yet follow
these directions, and accept BL email coming from a non-conformant address.
BL should at least include 54.208.31.131 in their SPF record, and possibly check
DKIM.
Niek.
|
Thank you for this. We have included it in a larger report on the subject.
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| | | | | | | Author: | wseagreen | | Posted: | Aug 25, 2023 08:47 | | Subject: | Re: Mail server setup misconfiguration | | Viewed: | 31 times | | Topic: | Technical Issues | |
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| Good day,
I do believe you are having a greater issue with this email then expected.
at this moment none of the messages to sellers or Invoices from sellers are going
through.
Regards,
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| | | | | Author: | BeesBricks | | Posted: | Aug 24, 2023 23:06 | | Subject: | Re: Mail server setup misconfiguration | | Viewed: | 37 times | | Topic: | Technical Issues | |
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| In Technical Issues, qwertyboy writes:
| | Seeing repeated messages in the forum about not receiving emails from BrickLink,
I did some checking.
|
Thank you so much for doing this Niek. After never having any problems receiving
BrickLink notifications, I too no longer get them and have had reports from my
customers that they are not receiving them either. This has meant that I now
have to assume that none of my customers are receiving notifications and I will
manually make contact with them through the BrickLink message system when I notice
an order has been made to provide them with a copy of their invoice and drive
thru. I tried contacting the help desk about the issue last week but have yet
to receive any response.
Thanks again for taking the time to use your knowledge to check into the issue.
Hopefully BrickLink IT can use the information you’ve provided to help get a
fix for all of us affected.
Cheers,
Brett
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| | | | | Author: | Stellar | | Posted: | Aug 25, 2023 12:42 | | Subject: | Re: Mail server setup misconfiguration | | Viewed: | 33 times | | Topic: | Technical Issues | |
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| In Technical Issues, qwertyboy writes:
| | Seeing repeated messages in the forum about not receiving emails from BrickLink,
I did some checking.
The DNS for bricklink.com shows an SPF record like this (broken up for readability):
v=spf1
- include:spf.protection.outlook.com
- ip4:54.209.67.9
- ip4:18.210.58.96
- ip4:3.213.113.25
- -all
This tells the world that emails sent from the bricklink.com email domain should
only be sent out from "anything spf.protection.outlook.com" (these
are Microsoft servers), or IP addresses 54.209.67.9, 18.210.58.96 and 3.213.113.25.
Furthermore, there is a DMARC entry set that explicitly tells the world to reject
any email that doesn't pass the SPF record (and possibly any DKIM - I haven't
checked those - yes, I am lazy).
I checked my mail server, and at least the last 4 days, any email sent from BL
to us was sent from IP address 54.208.31.131 . This address is not
on the SPF record, so the current setup basically says to the world "please
reject BL emails from blsmtp.bricklink.com".
Fortunately (for quite a few BL users) many email servers don't yet follow
these directions, and accept BL email coming from a non-conformant address.
BL should at least include 54.208.31.131 in their SPF record, and possibly check
DKIM.
Niek.
|
Just received my first order confirmation email half an hour ago since 2 weeks
without any, maybe something changed today.
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| | | | | | | Author: | qwertyboy | | Posted: | Aug 25, 2023 13:24 | | Subject: | Re: Mail server setup misconfiguration | | Viewed: | 35 times | | Topic: | Technical Issues | |
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| In Technical Issues, Stellar writes:
| | | | BL should at least include 54.208.31.131 in their SPF record, and possibly check
DKIM.
|
Just received my first order confirmation email half an hour ago since 2 weeks
without any, maybe something changed today.
|
I checked, and IT at BrickLink added IP 54.208.31.131 to the SPF record. Progress!
Niek.
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| | | | | | | | | Author: | BeesBricks | | Posted: | Aug 25, 2023 18:07 | | Subject: | Re: Mail server setup misconfiguration | | Viewed: | 37 times | | Topic: | Technical Issues | |
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| In Technical Issues, qwertyboy writes:
| | In Technical Issues, Stellar writes:
| | | | BL should at least include 54.208.31.131 in their SPF record, and possibly check
DKIM.
|
Just received my first order confirmation email half an hour ago since 2 weeks
without any, maybe something changed today.
|
I checked, and IT at BrickLink added IP 54.208.31.131 to the SPF record. Progress!
Niek.
|
Just received my first order notification last night since the issues began.
Woohoo!!!
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| | | | | | | | | | | Author: | ReclaimedComp | | Posted: | Aug 25, 2023 20:19 | | Subject: | Re: Mail server setup misconfiguration | | Viewed: | 30 times | | Topic: | Technical Issues | |
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| In Technical Issues, BeesBricks writes:
| | In Technical Issues, qwertyboy writes:
| | In Technical Issues, Stellar writes:
| | | | BL should at least include 54.208.31.131 in their SPF record, and possibly check
DKIM.
|
Just received my first order confirmation email half an hour ago since 2 weeks
without any, maybe something changed today.
|
I checked, and IT at BrickLink added IP 54.208.31.131 to the SPF record. Progress!
Niek.
|
Just received my first order notification last night since the issues began.
Woohoo!!!
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Yes, I'm finally receiving notifications as well. Thanks for the fix Bricklink.
Chris
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| | | | | | | | | | | | | Author: | qwertyboy | | Posted: | Aug 25, 2023 21:08 | | Subject: | Re: Mail server setup misconfiguration | | Viewed: | 23 times | | Topic: | Technical Issues | |
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| In Technical Issues, cweir1969 writes:
| | Yes, I'm finally receiving notifications as well. Thanks for the fix Bricklink.
|
You're welcome. 
Niek.
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Canada, Alberta
South Africa, KwaZulu-Natal
New Zealand, Bay of Plenty
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