All Questions
18
questions
0
votes
1
answer
554
views
SPF spf.protection.outlook.com is invalid for messages within tenant
When sending mails through our Exchange 365 service those mails get through successfully, but if we look at the mail headers we see that where the sender and recipient are in our tenant the mail's ...
- 1,344
0
votes
1
answer
865
views
Publishing Exchange Server public IP address in a hybrid Exchange setup?
I'm currently using the Hybrid Exchange Online and Exchange Server OnPremise setup.
I have included the IP addresses of all my Exchange Servers in the below TXT record, I wonder if it is really ...
- 1,305
0
votes
2
answers
182
views
Which IP is SPF checks checked against
I am trying to work out which IP to put into an SPF record. I understand that SPF will extract the domain from return-path, So i guess SPF check will then do a DNS lookup to find the SPF record for ...
- 33
1
vote
1
answer
2k
views
DMARC and RFC2298 compliant MDNs with a null MailFrom... Can it work?
This is an issue we're seeing with Exchange Online but it would be an issue with most hosted email I suspect. When Office 365 / Exchange Online sends an automatic reply (Out of Office for example) it ...
- 123
2
votes
3
answers
6k
views
SPF configuration on exchange hybrid
I am a newbie at Exchange hybrid configuration. I am struggling when I try to find an answer for the situation below.
We have an Exchange Hybrid system and use Messagelab as the smart host for spam ...
- 21
5
votes
2
answers
17k
views
how to configuration dkim on exchange email server
Mails sent from our internal email server to public servers such as Gmail, Yahoo and all other external organizations are delivering to spam. We currently use exchange server, in order to tackle above ...
- 51
1
vote
3
answers
4k
views
Exchange 2010 ignoring SPF record
we are using Exchange 2010 and have already setup SPF record for our authorized mail server IPs. As a test using our domain name i tried to send an e-mail from another computer on the internet which ...
- 11
1
vote
1
answer
301
views
SPF records and rejection based by declaration client IP
I use my personal email server one small setup by Microsoft Exchange Online.
I'm not I professional IT but I prefer Exchange for many reason.
Now I use this SPF record: v=spf1 include:spf....
- 11
1
vote
0
answers
161
views
New Exchanger Server installation - Email marked as spam on hotmail/outlook
New to the email hosting scene - running an Exchange 2013 box.
Email is always (literally, always) marked as spam when sending out to my outlook.com account. Whereas if its sent to an email address ...
2
votes
2
answers
6k
views
DNS and SPF configuration for Microsoft Exchange
We've started receiving spam with spoofed addresses from our own domain. So I'm trying to get my PTR and SPF records etc correct to prevent it. We're running Exchange 2010 on site with one server ...
- 253
10
votes
2
answers
8k
views
Why is email being delivered normally despite an SPF "hardfail"?
I'm trying to figure out why forged email is being delivered to major email providers (gmail.com, outlook.com) even though email is marked with an SPF hardfail. The email is also delivered to ...
- 2,707
0
votes
1
answer
491
views
Configure Exchange to receive email from an internal address with an external IP address
Our company provides email marketing services. Our service is hosted and emails are deployed from our IP addresses. Clients use their email address(es) as the "from" address, and typically, as long as ...
- 1
1
vote
0
answers
883
views
SRS + SPF for Exchange Server
Is there a specific way to enable SRS on Exchange, or a similar function, on a SPF enabled domain?
I have a SPF Record set to ~all, and noticed that out of office (OOO) emails are failing due to them ...
- 11
0
votes
1
answer
782
views
Error while sending email using our own server: Sender is probably forged (SPF Softfail)
I have an email account from our own server and I can't send any emails and I'd appreciate any help with fixing it.
This is the error I'm getting:
Sender is probably forged (SPF Softfail)
Our mail ...
- 13
0
votes
3
answers
4k
views
Exchange and SPF Records
I've created an SPF record on 123-Reg, which is working great. But my question is how Exchange servers know that an SPF record exists when they receive mail from a domain. How does Exchange know it ...
- 1,684
-2
votes
2
answers
867
views
How Can I Load Balance Outbound Email?
My server have four external IP address.
I want to distribute to this IP addresses for sending emails.
For example :
1.st mail sending XX.XX.XX.10 ip
2.nd mail sending XX.XX.XX.11 ip
3.rd mail ...
Adem Eyüboğlu
3
votes
3
answers
463
views
Testing a mail server / server not making it to recipient
We have a Drupal website on a Linux server, it is using mail() to send mail through PHP. I think that would be using PHPmailer and sendmail.
Domain is www.myclientdomain.com and we can receive email ...
- 165
0
votes
1
answer
4k
views
Emails are going to spam
Hey guys, I am currently running exchange 2010, I have implemented SPF record, and tried to implement dkim/domain keys using domain sink, but it doesn't seem to work. The problem I am having is that ...
Sam