Email Servers

23K

Solutions

21K

Contributors

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.

Share tech news, updates, or what's on your mind.

Sign up to Post

I am looking for some clarification on the proper configuration of my DNS amd my email server.

Here is the setup:
I am using Comcast as my ISP and have an Exchange server running in my SBS2008. I have a static IP address assigned by Comcast and have registered a domain name pointing to it ( [b]abc.net[/b)]. I also have a company domain name that is abc.com. This domain points to an outside web and email server. I am using the Windows POP3 Connector to retrieve emails from the abc.com server and putting them into the Exchange mailboxes. (I know, nobody likes the POP3 Connector...) Then I am using the in house Exchange server to send emails directly from the domain <b>name@abc.com</a>

The problem:
Lately, I have been getting the error from Gmail accounts that I try to send to saying that the Reverse DNS for IPv6 is not properly configured, and that I must fix this before Gmail will accept emails from abc.com.

The question:
This is where it becomes a bit confusing for me. What is the proper way to set up the DNS configuration, and where. Currently, I have asked Comcast to set up the Reverse DNS for abc.net back to my IPv4 and IPv6 addresses, but Gmail is still blocking me. Should I also, or in place of, asked them to set the Reverse DNS for abc.com to my server, instead? Or is this something I should be doing on my SBS2008 DNS?
0
Get 15 Days FREE Full-Featured Trial
LVL 1
Get 15 Days FREE Full-Featured Trial

Benefit from a mission critical IT monitoring with Monitis Premium or get it FREE for your entry level monitoring needs.
-Over 200,000 users
-More than 300,000 websites monitored
-Used in 197 countries
-Recommended by 98% of users

Dear EE

Please can someone tell me what's the difference between the "From" and "X-Sender" field in message header?

We recently had a spoof and phising attempt on one of your users.

I have SPF in place and it works but it didnt stop this email because the X-Sender address is not that of my domain. My SMTP domain is TTAF.co.za

Please see image:

2017-07-25-14_24_17-Document1---Word.png
0
I'm working with exchange 2010 , and i want to create transport rule who will sends copy of message  from some public folder to some external e-mails.
 
Thanks
Have a nice day.
0
I have an Exchange Server 2010 that is currently running activesync and 3 phones are syncing with it.  The server name and the SSL certificate all references the firms old domain name.  I set this up 4 years ago with the assistance of paid for technical support and have forgotten most of what we had to do.  I have googled articles about it but have not found anything that goes into details.  Does anyone have a link to a good set of instructions for modifying or setting it up?
0
Where within the Gmail admin console can the external DNS mail exchange (MX) records be changed for an organization using Gmail for its email?
0
What is the process to determine which company hosts an organization's external DNS MX records?
0
We have a Shared mailbox and a Group that has Full Permissions set on the Mailbox, we have JUST this 1 user we add to the group and they can't access it but if I add them individually to have Full Permission to the mailbox it works fine.  Running Exchange 2010 with all patches up to this month applied.  I am trying to track down the Outlook client version if that matters.

Phil
0
Anyone can help on how to export a list of available email addresses from Exchange 2016?
0
Hi All,

Attached are two pictures showing the storage quotas that we use in Exchange 2010 so that users get a maximum mailbox size of exactly 2GB and 3GB reported in their Outlook client. Could someone tell me what I need to enter so that the user gets the following:

Issue warning at 3.75gb
prohibit send at 3.9gb
prohibit send / receive at 4.0gb

Also, does anyone know why the "Prohibit send and receive" limit shown in my screenshots aren't exactly 2GB or 3GB yet the Outlook client shows them as Exactly 2GB or 3GB to users? (screenshot attached).

We've tried setting exactly 2GB (2000mb or 2048mb) but this then shows users they have a maximum size of 1.7GB?


Thanks!
2GB-Quota.png
3GB-Quota.png
3GB-Quota-in-Client.png
0
We have recently migrated from Exchange 2007 to Office/Exchange365. Since migration we have received a number of email rejections on one specific email indicating "your email program added invalid characters (bare line feed characters) into a message you sent".

The email itself comes from an HTML template and generated in Microsoft Dynamics AX. This is directed email to customers and is consistently accepted by some downstream providers (eg gmail, Hotmail) but not others (eg Yahoo, Comcast).

The HTML code that comprises the body text has been scrutinized and does not contain any bare LF's, nor has it changed since long before the migration.

Support from Microsoft, Yahoo and Comcast has been of little use (for the most part unwilling to engage other than throw out generalities to get you off the phone).

Key facts;
- email was working prior to (Exchange 2007 to Office365) migration
- other (text) email to affected customers is delivered without issue (ie limited to one HTML email)
- originating email has been checked for bare LF's


As this email was working previously I have the following questions;
- have you seen and resolved similar issues?
- As this was working previously I am wondering if Exchange 2007 stripped out bare LF's in order to fix (my understanding is that Office 365 was but stopped doing so).

Please do not suggest online articles found by Google searches unless you feel there is something very specific we can look at. We have searched …
0
Optimize your web performance
LVL 1
Optimize your web performance

What's in the eBook?
- Full list of reasons for poor performance
- Ultimate measures to speed things up
- Primary web monitoring types
- KPIs you should be monitoring in order to increase your ROI

what is going to happen when we send the mail with CC and BCC with more than 50 users  without TO : field  empty .

most of the mails get bounce back  ? is it normal  

is it recognized as spam mail ?
0
Hi Guys,

I would like to have a opensource software to perform following tasks on zimbra.

zimbra logging
per user email send receive count per day, week, month & year.
access log success & failure & Etc..

any help greatly appreciated.
thank you.
0
sir,
we are using zimbra mail accounts in our organization,which ports are released to public network in zimbra,our clients communicate with out side and internally ,so with securely what ports are released in public access
0
What do you consider the best Internet email option (POP3 or IMAP) for individual use? Why - what makes it good and what are its limitations?

Background:

We have been using mostly Verizon.net email. Recently Verizon transferred their email to AOL although we kept the same verizon.net email addresses. Service has deteriorated, especially for accessing email through a smartphone and the AT&T cellular network. Access through Outlook has not deteriorated as much although day-long outages have occurred.

We have personal Gmail and could switch to those although the lack of privacy from Google's practice of scanning content is annoying. We're willing to pay for a good email service. One possibility is Google's G-Suite although we would only use it for email and not use the other functions.

What do you think are the best email providers, including paid options? What are their strengths and limitations?

Thanks,
Pete
0
Is it impractical to use Verizon/AOL email from a SmartPhone through the AT&T cellular network, and do I therefore need to abandon my verizon.net email account?

Background:

I have two main email accounts - @verizon.net and @gmail.com. Since Verizon ported me over to AOL (while maintaining my verizon.net address) accessing my verizon.net email with my phone is problematic through a cellular connection. This was the case when I was an AT&T customer and is still the case when I am a Consumer Cellular customer accessing the AT&T network.

Frequently, the verizon.net email frequently cannot make the connection to the server from my Samsung Galaxy Note 3 phone using the cellular connection. This may happen a few times or even 20 times, and then a connection is made and email is received and sent.

The Verizon.net email works fine on the same phone through WiFi. The Gmail account works fine through both WiFi and cellular. Both accounts work fine through my Windows desktop computer.

The problem happened with the email account configured as POP3 and still occurs with the account reconfigured as IMAP. I use an SSL connection although I had the same problem using no encryption.

I see many mentions of this on the web. It seems widely attributed to incompatibilities between the AT&T, especially when accessed through a bulk provider such as Consumer Cellular, and AOL.

Is this the case? Is my only practical choice to stop using the verizon.net email address?

Thanks,
0
People,

Further on this question: https://www.experts-exchange.com/questions/29042654/Configuring-Exchange-Server-IP-Less-DAG-with-PowerShell-script.html

Can anyone here please share some best practice and also recommendations or what's the best way of deploying 5x nodes IP-less DAG on Exchange server 2013 Standard Edition ?

Because from what I can see here: http://msexchangeguru.com/2014/03/21/e2013sp1-ip-less-dag/ and most of the blogs, just consist of 2 node DAG with File Share Witness.

Any help and suggestion would be greatly appreciated.

Thanks
0
Is the Migration Wiz website (http://migrationwiz.com) able to completely and fully migrate Google calendars & contacts into Office 365?

Is this all done during the email portion of the migration or does it need to be done separately?
0
Please provide me with instructions on how to change a Google Calendar address from being private to being public within a corporate Gmail account (see the screenshot).

This setting needs to be changed so that Mac Outlook 2016 will be able to synchronize and display the Google calendar.

GOOGLE-APPS-PRIVATE-ACCESS
0
Please provide me with the instructions on how to sync a Google calendar with Mac Outlook 2016.
0
Use Case: Protecting a Hybrid Cloud Infrastructure
LVL 4
Use Case: Protecting a Hybrid Cloud Infrastructure

Microsoft Azure is rapidly becoming the norm in dynamic IT environments. This document describes the challenges that organizations face when protecting data in a hybrid cloud IT environment and presents a use case to demonstrate how Acronis Backup protects all data.

I would like to make a parse of postfix mail log in an HTML/PHP page with a search bar and then creating a dynamic table with all these tags. when the table is done I should be able to click on the "Date" and another page should open with others info about that log *(2)

I will copy an example of a log

search: from: ...... to: ...... date: from: .... to: ....

Eg Table example: Date | time | from: Jack | to: John | status:

*(2)

client:
message
id:
Size:
relay:
delay(s)
status detail
KLMS:
av-reason:
ap-reason:
as-reason:
cf-reason:
action:
rules:



809318:Jul 11 14:13:50 amail-2014 postfix/smtpd[17127]: 78F5E83F28: client=mx0a-00164e02.pphosted.com[67.231.149.89]
809320:Jul 11 14:13:50 amail-2014 postfix/cleanup[18135]: 78F5E83F28: message-id=<ADR420000021230890209457A56BCF141EE799C64C575B380E1C@molex.com>
809324:Jul 11 14:13:50 amail-2014 postfix/qmgr[27711]: 78F5E83F28: from=<NO-REPLY@MOLEX.COM>, size=30390, nrcpt=1 (queue active)
809325:Jul 11 14:13:50 amail-2014 postfix/smtp[11782]: 78F5E83F28: to=<*****@SYLEX.SK>, relay=mail1.sylex.sk[195.168.126.227]:25, delay=0.73, delays=0.59/0/0.01/0.13, dsn=2.6.0, status=sent (250 2.6.0 <ADR420000021230890209457A56BCF141EE799C64C575B380E1C@molex.com> [InternalId=50607599648815, Hostname=SYXEX01.sylex.sk] Queued mail for delivery)
809326:Jul 11 14:13:50 amail-2014 postfix/qmgr[27711]: 78F5E83F28: removed
809323:Jul 11 14:13:50 amail-2014 KLMS: not processed: …
0
I have a 2003 server std that is a domain controller and exchange server.  There are 7 domains on this server.  I have been asked to upgrade exchange from 2007 to 2010.  Can someone guide me to a step by step process for doing this? I have never built an exchange server before, and need this to be successful.
0
I took an existing zimbra server which had an old domain as it's primary, made a copy of it and converted everything over to the new IP, main domain etc. There are only two domains on the server currently.

Everything starts up, everything seems ok but I am seeing the following.

Jul 18 10:20:04 mx postfix/proxymap[7644]: error: dict_ldap_connect: Unable to set STARTTLS: 1: Operations error
Jul 18 10:20:04 mx postfix/trivial-rewrite[7646]: warning: proxy:ldap:/opt/zimbra/conf/ldap-transport.cf lookup error for "*"
Jul 18 10:20:04 mx postfix/proxymap[7644]: error: dict_ldap_connect: Unable to set STARTTLS: 1: Operations error
Jul 18 10:20:04 mx postfix/trivial-rewrite[7646]: warning: proxy:ldap:/opt/zimbra/conf/ldap-transport.cf lookup error for "*"
Jul 18 10:20:04 mx postfix/proxymap[7644]: error: dict_ldap_connect: Unable to set STARTTLS: 1: Operations error
Jul 18 10:20:04 mx postfix/trivial-rewrite[7646]: warning: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf: table lookup problem
Jul 18 10:20:04 mx postfix/trivial-rewrite[7646]: warning: virtual_alias_domains lookup failure
Jul 18 10:20:04 mx postfix/proxymap[7644]: error: dict_ldap_connect: Unable to set STARTTLS: 1: Operations error
Jul 18 10:20:04 mx postfix/trivial-rewrite[7646]: warning: proxy:ldap:/opt/zimbra/conf/ldap-vad.cf: table lookup problem
Jul 18 10:20:04 mx postfix/trivial-rewrite[7646]: warning: virtual_alias_domains lookup failure
Jul 18 10:20:04 mx postfix/smtpd[7643]: NOQUEUE: reject: RCPT from 

Open in new window

0
Hi - we have a school that we are setting up the students with Gmail accounts using the school's domain name. The teachers currently have their email accounts setup thru Rackspace, and we'd like to continue to keep the teacher accounts this way using Rackspace. From an MX record / DNS standpoint, how do we go about doing this? Can we have incoming email for the same domain going in 2 different directions, for students (Google) and teachers (Rackspace)?
0
Following a migration from Exchange 2007 to 2013, the 2007 server has Exchange removed and everything is running fine. The one outstanding thing is it still shows up in EAC under Servers and under Virtual Directories. I'm not sure what steps were missed, but would like to clean this up even if just to look good. Any suggestions?
0
Hi

Please see the attached and I have a situation in which I need some guidance.
Company-A is owner of  Akshaya Trust and recently  the other 3 companies  ( B, C , D) have joined this trust.
Company A (Akshaya-Trust ) has an email address format users@Akshaya.com

Company B and C are using exchange 2007  and would like to migrate to office 365 and Company D is using Office 365 and the company B, C  and D needs to be set up in the Required email format as said below. Please suggest how to achieve this.

Company B is using Exchange 2007  and the
Current email format: users@bimm.com
Required email format users@bimm. Akshaya.com

Company C is using Exchange 2007 and the
Current email format: Users@mbenz.com
Required email format: Users@mbenz.Akshaya.com

Company D is using Office 365 and the
Current email format: users@shopnet.com
Required email format: users@shopnet.Akshaya.com

Any help and suggestions will be great. Thanks in advance.
Required-Email-structure.jpg
1

Email Servers

23K

Solutions

21K

Contributors

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.