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Why are pictures not showing in email?//Why are pictures not showing in email? All I get is the broken image icon. This is, unfortunately, an extremely common question. In fact, it happens to me from time to time as well. Someone forwards me an email with some humorous pictures (or better yet, pictures of Corgis), and some or all of them simply don’t display. It’s both frustrating and puzzling when it happens.
Email has evolved over the years, and as a result things aren’t always as compatible as we’d like them to be. Let’s look at where the incompatibilities are most common, some of the ways that pictures can get lost, and one or two work- arounds that might help you view those all- important Corgi pictures that someone just sent you.
Three reasons for pictures not showing in email. There are three common reasons why pictures may not show in an email.
Issues relating to how, and whether, images accompany an email message. Problems converting between email formats. Settings in your email program. Before we look at each of those, we need to define a couple of things. Attachments versus “in line” images. Images can be placed in email in either of two different ways: Attachments. These are files of any kind that accompany an email message.
They usually appear as icons after the end of the message body, and typically you need to click on them to open or display them. Some email programs recognize attachments that happen to be images, and either display them after the text in the message, or display icons or thumbnails of the images. In- line. Images placed in- line are part of the email message body.
Interspersed with the text of the message, sometimes with the text wrapping around the image, these are meant to display immediately as part of the message as you read it. Email formats. There are three formats that can be used to send email: Plain Text email is, as the name implies, plain text and nothing more. No formatting, no pictures, all in a single, unspecified font. All email programs support plain text emails. Images can be included, but only as attachments.
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Rich Text email is a Microsoft format that works well between Microsoft email clients. It added “richness” to email by supporting colors, fonts, formatting, sizes and much more. Images can be embedded into the body of a rich text email, as well as attached. HTML email uses the same technology that’s used to create web pages. Almost everything you can do with a web page can be done in HTML mail: colors, fonts, formatting, and more.
Like rich text email, images can be embedded into the body of HTML email, as well as attached. HTML email is the most common format used for email today. It’s also possible to send a single email that contains the same message encoded in different ways. Called a “multi- part mime” message and handled transparently by the email program sending the message, it’s typically used to include it in both HTML and plain text formats. The email program at the receiving end can then determine which format to display. Problem 1: where the image lives.
When we receive an email, we think of it as “containing” the images that are included – in other words, the images we see must have been sent with the email message itself. That’s not always the case. On the web, images are not part of the “. Instead, that file contains instructions on where to locate the image file, and then where on the page to display it. For example, on the Ask Leo! When the page is displayed in your browser, it’s your browser that interprets all that and fetches the image file as instructed by the page’s HTML code. This presents a problem for HTML email.
As I said, we think of an email message as a single “thing” – a single self- contained message. As a result, there are two ways images are used with HTML- formatted email (and, to a large extent, Rich Text email as well).
Images hosted elsewhere. In this approach, HTML email works exactly like a web page: the email message contains a reference to the image kept out on the internet somewhere, which is then downloaded and displayed as you look at the email. If the mail program can’t locate the picture, the result is a red X. Possible causes include: The picture has been removed from wherever it had been placed. The server holding the picture is off- line. Your machine is off- line and unable to connect to the internet.
All have the same result: the picture can’t be found, and thus the image cannot be displayed. Images accompanying the message. Other kinds of emails don’t provide an internet location for an image; instead, the images are “hidden” attachments, and special coding tells the email program to display them. This results in larger emails – often much larger – since the images are physically included with the message, but you’re no longer concerned about locating the images since they came with the email. The problem here is that those “special codes” aren’t always as standard as we might expect. The result is that email encoded in this way by one email program may not actually display correctly by another.
The infamous “red x”. Problem 2: converting email formats.
Since we have three possible email formats: Plain Text, Rich Text and HTML, it should come as no surprise that, with the exception of Plain Text, not all formats are supported by all email programs. The net result is that if your email program doesn’t understand one of these formats, it still does its best with the message.
Occasionally the best it can do is to not display the pictures in favor of at least displaying the text of the message. Most non- Microsoft mailers don’t support Rich Text, so if someone receives an email in Rich Text format, the mailer may display a Plain Text version of the email instead, without the pictures. Similarly, if an HTML email is sent to someone whose email isn’t set up to handle HTML email, they may see a Plain Text version, or they may see raw HTML formatting codes sprinkled throughout the message. The good news is that most email is in either plain text or HTML, and most consumer email programs recognize both properly. Problem 3: settings in your email program. Since HTML email can be designed so that images are fetched from servers out on the internet when you look at an email, those servers are notified – in a sense – that you’ve looked at the email. Spammers, in particular, love this.
They can send you some spam, and if the image it contains is ever fetched from their server, they know that you opened their email. If they’re sending spam to millions upon millions of email addresses – some of which are good, others of which are not – they now know that the email they sent to your email address worked. You can expect more spam. Email programs have countered this by including options not to display images that need to be fetched remotely. Those options, which vary from email program to email program, include behaviours such as: never displaying images unless you explicitly click on something to do so. The result in all these cases, and probably some scenarios that I’ve missed, is that your email program will display a red “X”, or something similar, in place of images – until you explicitly tell it to do otherwise. What to do? By now you can see that there are a lot of reasons that pictures might not show up in email.
Unfortunately, they probably seem like a lot of technical reasons, many of which you might not even have control over. When you can’t see that cute Corgi picture Aunt Lucy sent you, here’s a short list of things to try. Make sure your internet connection is working. Try visiting a web page like google.
If not, and if the email you’re looking at is trying to fetch images remotely, that could easily be the cause. Make sure that your email program is configured to display images. Exactly how to do this will vary, of course, based on what email program you’re using. Make sure that your anti- malware tool is not attempting to interfere with image display.
Web Test Tools. How to advertiseon Softwareqatest. More than 5. 40 tools listed in 1. Organization of Web Test Tools Listing. Note: Categories are not well- defined and some tools could have been. Web Site Management.
Tools' category includes products that contain: site version. Test on demand or automate testing.
Easily integrated into existing Dev stacks using their partnership. REST API. Advanced Features include: AJAX/Web. Services, XML/JSON Data Viewer. API data/Execution.
Enables. users to stress test websites, web apps, and APIs using real browsers. Simulate globally- distributed traffic or local traffic from a single geographic location. Features. include automatic recording of test scenarios, distributed load injectors, topological and threshold. Developed. based on fiber, a user- level thread implementation in Java.
The tool is useful in scenarios where. Many existing tools are developed for scenarios with high. HTML reports can be generated during the load to view response times. CPU, etc. Developed in Erlang. Features a single VU license type to cover a range of. Free and $ versions available. Can customize different.
UI. Requires Win and IE. It allows you. to run simultaneous python scripts to generate load (synthetic transactions) against a web site or web service. Can capture real production workload for. Also. available in the Amazon EC2, Rack. Space or Plat. Form Labs cloud environments. Simulate any user scenario for webapps, websites. Launch a single dedicated server or a cluster of 1.
Apache JMeter compatible - . JMeter environments with up to 1. CPU cores and 5. 00 GB of memory. Utilizes Selenium.
Access to distributed network of. Free and $ options; free low level load tests for 1- 1.
Define test cases in an. XML file - specify requests - url, method, body/payload, etc - and verifications. HTTP and HTTPS (SSL) support. Capabilities include handling of. Ajax. Generates tests in C#. For Windows platforms.
An open- source stress- testing tool for web apps; includes. User can give JCrawler a set of starting. URLs and it will begin crawling from that point onwards, going. URLs it can find on its way and generating load on. Load parameters (hits/sec) are configurable. XML file; fires up as many threads as needed to keep load.
In contrast to other tools curl- loader is using. C- written client protocol stacks, namely, HTTP and FTP stacks of. TLS/SSL of openssl. Advanced user journey modeling, scalable load.
OS independent. Orchestrate activities of a test script in many processes. Test scripts. make use of client code embodied in Java plug- ins.
Most users do not. Clear and comprehensive.
Supports latest technologies, including AJAX, FLEX, GWT, Java. Serialization, and more. Capabilities. include: cookies managed natively, making the script modelling. HTML and XML parser, allowing display and. HTML page or an XML flux.
APIs; more. Focus is not on implementing one. Handles. dynamic content and HTTPS/SSL; easy to use; support. These enable. testers to author, execute, and manage tests and related work. Visual Studio. Originally designed.
Web Applications but has since expanded to other test functions. Servlets, Perl scripts, Java Objects, Data Bases and Queries, FTP Servers. Can be used to simulate a heavy load on a server, network or. Reports. total number of transactions, elapsed time, bytes transferred, response. Validates. each response using plain text or regular expression searches, or by.
Full Java API. Other features: for high- performance. HTTP clients and servers, realistic traffic generation and. Based on the. Apache 1. Available via CPAN. For Windows. Modem simulation allows.
For Windows, Linux, Solaris. UNIX variants. Handles HTTP and HTTPS; for Unix. Test scripting via visual tool or Javascript with. Built- in support for Web Services/REST. SOAP, Rest, XML, JSON, Web.
DAV. Can integrate with selenium. Allows prediction of behavior of e- business environment before. Also provides longer term trend analysis. For IE, Chrome, Firefox, Safari mobile.
Android Chrome. YSlow, checks one page at a time and provides. Free and $ versions available. Page. Speed Analysis tools enable.
Page. Speed Optimization tools can help automate the process. Includes a Performance report card, HTTP/HTML summary. JSLint. Store high- detail 5- minute checks. View video, screenshots, logs, and. Executes test scripts on cloud machines, mobile devices. Provides comprehensive reporting; Targeted Platforms/OS: Windows, Mac OS, IOS, and Android. Tests are written using the Selenium 2 client API.
Enables automation by. OS accessibility attributes. Like some other i. OS test tools, uses undocumented Apple APIs, thus is appropriate.
Reports on issues found and suggest mitigation approaches. Integrates with Xcode for i. OS and Eclipse for Android.
Reports include device specifications. Video replay with synchronized log streaming.
Can write a Python program that installs an Android application. You can physically attach all the devices or start. Can be extended with plugins. Cross- platform, supporting Android and i. OS native apps. Provides test device cloud. Test scripts can run in parallel on hundreds. Can run your tests locally against an emulator or.
Testmunk cloud. Also includes 'Answers' kit which provides critical. Can integrate with many 3rd party bug tracking. Requires integratiing the open source Hockey. App SDK for Android, i. OS, Mac OS X, Win.
Unity, Xamarin; then uploading your app build to Hockey. App. Testers can then download and install the app and then. Your application and. Can also run your own automation scripts. Free and $paid versions. Test cases can be easily created, without needing the. Implemented as a C++ library that can be used by other tools and applications.
Multi- touch gestures, access to the physical. A small footprint. Create objective- driven test flows by utilizing. Supports IE, Firefox, Chrome, Safari. Web. View, HTML5. Custom actions can be created using C#, C++, JAVA, or Python.
As of mid- 2. 01. Mac OS X 1. 0. 7 or higher. Linux OK for Android- only; Win support is in . Can validate tests using internal variable values and conditionally wait for internal. Comes with rich set of test validations and object location strategies.
Java. Script. Enables any mobile device. Wirelessly pair multiple i. OS and Android devices to your computer. HTML, CSS, and Java. Script. Does not require you to jailbreak, unlock or root your device - just. The IDE includes test project management, integration. Ranorex tools (Recorder, Repository, Spy), intuitive code editor, code completion, debugging, and watch monitor.
Tests are written in Objective C, allowing for maximum integration with code while minimizing. Perform side by side functional and real- user condition testing. Leverage the automation frameworks and IDEs you already use. Selenium, Appium, UFT, Eclipse, and Visual Studio.
Select your target location(s), device type(s) and OSs. Optimizer will do the rest. The test coverage grader helps build a custom mobile app test strategy. Can integrate with Maven or Ant to run tests as part of continuous integration. It works well on Broadcast receivers, and average on Services.
For. Activities, only single Activities can be fuzzed, not all them. Instrumentations can also be started using this interface. Intent based IPC mechanism. Keynote Mobile Testing - . Cloud- based real mobile handset/tablet testing platform, from Keynote Systems, enables development. Any action that can be performed on a mobile device in- hand can be replicated on devices. Automation capabilities provide flexible scripting that enables building of test scripts.
Supports object level including native. Quickly develop scripts using GUI- based commands, Java API, other test. HP UFT, IBM Rational, Selenium, or direct support with Jenkins for continuous. Provides a unified view of mobile and. Web performance and availability.
Utilizes thousands of different 'mobile devices'. Dynatrace testing agents deployed on mobile nodes. Supports all major phone platforms such as i. OS. Android OS, Black.