All Questions
Tagged with smtp exchange-2010
79
questions
0
votes
1
answer
501
views
Unrouteable Address with Office365
Before we get into the question, here's some context that I believe would help y'all to understand my situation better:
My domain (foo.com), is owned by Network Solutions (NS), same for the DNS ...
3
votes
0
answers
295
views
Why is Exchange 2010 SMTP not rejecting external messages to internal-only groups?
TL;DR: How do I make sure that the SMTP server doesn't accept external messages for distribution groups that are set to require authentication?
I have an Exchange 2010 server that has multiple ...
- 398
-1
votes
1
answer
436
views
How can i redirect smtp port 25 to port 465 [closed]
I have Exchnage server ,I can receive emails But I can not send emails out of the domain because Port 25 is block in ISP
How can i redirect smtp port 25 to SMTPS port 465 ?
- 1
0
votes
1
answer
635
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Exchange 2010 "Microsoft Exchange Transport" hangs every time
Our small network (1 server, ~10 workstations) runs Exchange Server 2010 on Windows 2008 R2 Standard; it has worked fine for years, but recently we cannot send or receive mail, though no error is ...
- 113
0
votes
1
answer
3k
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Exchange server 2016: Local telnet on port 25 works fine but telnet to port 25 from external IP does not show banner
I have been trying to setup Exchange 2016 for few days.
everything is working perfectly. emails are working locally but sending emails from gmail and other outsiders does not work.
i have setup my DC ...
- 45
0
votes
0
answers
174
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exchange server 2010 smtp basic authentication
I have 2 servers. Server 1 is a linux webhosting server. We receive e-mail on that server. Server 2 is Windows where Exchange Server 2010 is running at.
We have a service which runs on the background ...
- 101
1
vote
2
answers
2k
views
I have to input HELO/EHLO commands twice before it registers on receiving server while testing SMTP
We have an Exchange Server (2010) on site that sends our mail to the world using MX(DNS) records.
When I look at the queue, several domains have 421 4.4.2 Connection dropped due to ConnectionReset.
I'...
- 11
1
vote
2
answers
1k
views
Relay specific Exchange Mailbox to defined SMTP host
I would like to relay a specific Exchange 2010 Mailbox to an external SMTP host, in this case Office 365, as we're migrating user by user to Office365. Meaning if the migrated users receives an e-mail,...
- 177
3
votes
1
answer
2k
views
Why would an MX record have an associated IP Address of localhost?
We are having issues talking to another company. There mails are bouncing back with the error:
#< #5.0.0 X-Spam-Firewall; mail for airinuit.ca loops back to myself> #SMTP#
I have seen this ...
- 670
0
votes
1
answer
1k
views
Javamail using Exchange as relay
I have to fix an "unable to relay". The java server has to send emails to the internet. The java server and the exchange server are in the same network.
How I configure properly a receive connector in ...
- 11
0
votes
1
answer
67
views
Added second Exchange 2010 server, getting delivery delayed to external users
We have on Exchange 2010 server in our domain, on-premises. We added a second Exchange 2010 server in our cloud environment, which is also part of our domain and connected with a site-to-site VPN ...
- 1,154
1
vote
0
answers
816
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Exchange 2010: not receiving NDR when sending email using SMTP to none existing external mailbox
We are sending email using smtp port 25 in a local Exchange 2010 server
We do not set username nor passwords in the SMTP connection, only "form" address.
Mails are sent to external recipients after ...
- 11
1
vote
0
answers
919
views
Exchange sending QUIT after 220 ESMTP Status Ready
I am hoping someone can help with an issue we are experiencing between our smart host and our Exchange 2010 Server.
When our smart host tries to deliver email to our exchange, we are met with a 451 ...
3
votes
1
answer
14k
views
How to unassign self-signed cert from SMTP on Exchange 2010?
We have a GoDaddy wildcard certificate that we have installed into Exchange 2010 and is successfully used on IIS connections for OWA.
We have assigned this certificate to the SMTP Service as well as ...
- 9,680
1
vote
1
answer
2k
views
Show blocked SMTP connections in Exchange 2010
Currently, I have an anonymous receive connector set up on my Exchange 2010 system that allows from an entire subnet. I'm looking to change this to only allow from specific IPs, but need to know when ...
- 46