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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.

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This article describes the Email relay concepts and the possible road blocks and solutions to certain email security scenarios.
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OWASP: Forgery and Phishing
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OWASP: Forgery and Phishing

Learn the techniques to avoid forgery and phishing attacks and the types of attacks an application or network may face.

A quick guide on adding multiple SMTP proxy addresses to Users for Office 365
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This post explains how Microsoft has strengthened Azure platform security against unauthenticated SMTP traffic to maintain Azure IP stack reputation and how 3rd party SMTP API can be used to overcome these restrictions.
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by:Andrew Leniart
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You're very welcome Mahesh and thanks again for writing a great informative article. Endorsed!

Regards, Andrew
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by:Hani M .S. Al-habshi
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Good article , I see it informative


Regards
Hani
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You can use IMAP or POP3 protocol to configure your Gmail account in MS Outlook. However, after using IMAP account in Outlook for some time, many users want to change their mail settings from IMAP to POP. Today we will discuss how quickly you can change your IMAP configuration to POP3.


What is IMAP?


IMAP stands for Internet Messages Access Protocol. In an IMAP configuration, the email client keeps a copy of the mailbox on the local system without deleting it from the email server. The advantage in this case is that you can access your complete mailbox data through various devices (of course with proper IMAP configuration).


Advantages of IMAP


  • Quick and easy access to emails from different geographical locations.


  • In IMAP, any items deleted from the user system is still available on the server.


What is POP3?


POP3 is an abbreviation of Post Office Protocol version 3.  When your email application is configured with POP, then all your emails are downloaded to your email application. Then emails can (and should) be permanently deleted from the mail server.


Advantages of POP3


  • Your emails are stored on your system hard drive. Each time you configure POP3 on a new device, only the additional emails will be downloaded. This saves time in configuring the email account.
  • In POP, opening and accessing attachments are quick because all the attachments are already downloaded.


Step by step procedure to convert IMAP to POP


To start this process, open MS Outlook and start the below-mentioned steps:


  1. Click on File > Info > Account Settings.



  2. Then click on New to add a new account.



  3. Select Manual set up or additional server types and then click to Next.



  4. Now select POP or IMAP and then click to Next.



  5. Enter your POP details and then click on More Settings.



  6. Then move to the Advanced tab and enter POP and SMTP port numbers and click OK.

    Note: Here, you have an option to leave copy of messages on the server for a definite period.

  7. It will take few seconds, and your POP account is successfully added to Outlook.


Steps to remove IMAP account from MS Outlook


After successfully adding your POP account, you can remove your IMAP account from Outlook.


  1. Click on File > Info > Account Settings.


  2. Then select the IMAP account and then click on Remove button, your IMAP account is successfully removed
    .


Migrate IMAP to Cloud


Recently many users are migrating their IMAP email data to cloud emailing platforms like Office 365. This process is easy if you are using a third-party tool for migration.


Kernel for IMAP to Office 365 is a brilliantly developed and designed tool to migrate IMAP account to Office 365, hosted Exchange and on-premises Exchange. With this, you can quickly migrate those mailboxes which are configured with IMAP settings.


You can also migrate single as well as multiple mailboxes from IMAP email servers to Office 365. And this tool allows users to migrate emails to mailboxes, public folders and archive mailboxes in Office 365.



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Exchange Management Shell
Get count of mailboxes in your Exchange Organization.
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Check the reasons why Exchange Database failed due to Exchange 2013 Logs Drive Full?
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Exchange Toolkit
It is a known fact that if an organization stresses on following a strict backup regime, it always has sufficient material to bounce back from even severe Exchange disasters.
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If there is anything erroneous with Exchange Database, it causes a significant effect on email communication till the user remounts the database. Further, database crash directly affects Outlook users due to which they are unable to access their emails.
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by:Annie Rose
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Manually How to Fix Exchange 2016/2013/2010 Error Unable to Mount Database
http://expert-advice.org/exchange-server/how-to-fix-exchange-error-unable-to-mount-database/
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This article explains how to move an Exchange 2013/2016 mailbox database and logs to a different drive.
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There’s hardly a doubt that Business Communication is indispensable for both enterprises and small businesses, and if there is an email system outage owing to Exchange server failure, it definitely results in loss of productivity.
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Introduction to R
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Introduction to R

R is considered the predominant language for data scientist and statisticians. Learn how to use R for your own data science projects.

Microsoft Jet database engine errors can crop up out of nowhere to disrupt the working of the Exchange server. Decoding why a particular error occurs goes a long way in determining the right solution for it.
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Among the most obnoxious of Exchange errors is error 1216 – Attached Database Mismatch error of the Jet Database Engine. When faced with this error, users may have to suffer from mailbox inaccessibility and in worst situations, permanent data loss.
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Last month Marc Laliberte, WatchGuard’s Senior Threat Analyst, contributed reviewed the three major email authentication anti-phishing technology standards: SPF, DKIM, and DMARC. Learn more in part 2 of the series originally posted in Cyber Defense Magazine.
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Steps to fix error: “Couldn’t mount the database that you specified. Specified database: HU-DB; Error code: An Active Manager operation fail”
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by:Sandeep Kumar
Comment Utility
To resolve the Exchange 2010 mounting issue, refer to https://www.nucleustechnologies.com/how-to/resolve-exchange-error-unable-to-mount-database.html and find manual soft repair method to overcome the Exchange server mounting issue. Alternately, you can use Kernel for Exchange Server recovery software, an automated solution.
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Phishing emails are a popular malware delivery vehicle for attack. While there are many ways for an attacker to increase the chances of success for their phishing emails, one of the most effective methods involves spoofing the message to appear to come from a trusted source. Ready to learn more?
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Stellar Exchange Toolkit: this 5 in 1 toolkit comes loaded with mega-software tool. Here’s an introduction to tools’ usage and advantages:
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Steps to fix “Unable to mount database. (hr=0x80004005, ec=1108)”.
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Here in this article, you will get a step by step guidance on how to restore an Exchange database to a recovery database. Get a brief on Recovery Database and how it can be used to restore Exchange database in this section!
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Expert Comment

by:amie aroa
Comment Utility
EdbMails EDB to PST is Remarkable software which is placidly Recover EDB mailbox files such as calendars, contacts, notes, Task, Inbox items, journals,embedded images, appointments etc. and Convert that recovered EDB files into various formats like PST, EML, HTML, MSG, it is safe & secure conversion process without any damage to original data. You can convert Bulk Exchange EDB File Mailboxes into MS Outlook PST Format. This software easily converts any size of EDB mailbox into PST file.

For more information visit: Convert EDB to PST
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The main intent of this article is to make you aware of ‘Exchange fail to mount’ error, its effects, causes, and solution.
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Acronis True Image 2019 just released!
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Acronis True Image 2019 just released!

Create a reliable backup. Make sure you always have dependable copies of your data so you can restore your entire system or individual files.

Want to know how to use Exchange Server Eseutil command? Go through this article as it gives you the know-how.
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The core idea of this article is to make you acquainted with the best way in which you can export Exchange mailbox to PST format.
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by:Brian B
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For mass mailbox backups in Exchange, you should be using a proper backup and recovery system. See my post, PSTs are not reliable for that purpose.
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by:john carter
Comment Utility
EdbMails EDB to PST Converter Software which allow you to nicely Recover EDB emails mailbox to PST File as well as repair corrupt exchange server database.It can easily findthe EDB location and fix all the issues of EDB file to makes it useable into outlook file. It gives the complete examination of Exchange Databases files to recover and alteration process.This tool can easily export exchange mailbox to PST from Outlook Without distressing the size of Exchange EDB files and easily convert EDB files into PST, EML, MSG, Text and HTML file format with convert all reclaimed Email items into outlook file with along email header, email equities or attachments too. Splitting the generous size of PST file up to 20GB or more during conversion time.

 •      Easily converts EDB to PST files &Restore deleted mailboxes directly from EDB file.
•      It is compatible with all MS Outlook 2000, 2002, 2003, 2007, 2010, 2013 and latest 2016.
•      It compatible with all the windows OperatingSystems like Windows XP, Vista, 7, 8, 8.1 and 10.
•      Also, it provides recovery of all the attachments including contacts and calendar.

EdbMails EDB to PST Converter is the only available software which allows you to convert and export Online as well Offline, both, EDB file to PST format.

For more information visit: https://www.edbmails.com
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Are you an Exchange administrator employed with an organization? And, have you encountered a corrupt Exchange database due to which you are not able to open its EDB file. This article will explain all the steps to repair corrupt Exchange database.
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Michelle Phillips
Sometimes clients can lose connectivity with the Lotus Notes Domino Server, but there's not always an obvious answer as to why it happens. Read this article to follow one of the first experiences I had with Lotus Notes on a client's machine, my now good bipolar friendly software.
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This article outlines some of the reasons why an email message gets flagged as spam on a recipient's end.
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by:Andrew Leniart
Comment Utility
Blocking spam has always interested me and there are some excellent revelations in this post.  Thanks for writing it!
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As cyber crime continues to grow in both numbers and sophistication, a troubling trend of optimization has emerged over the last year.
0

Email Servers

24K

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.