How Do I Block Someone in SquirrelMail? 
How do I block someone in SquirrelMail? This is a question we get a lot. It can be very frustrating to receive unwanted messages, but it is possible to prevent such annoyances from occurring by following a few simple steps. The first step is to install the Block Sender plugin, which allows you to block e-mail addresses. Once installed, e-mails from a blocked sender will be delivered to your SquirrelMail trash folder. If you want to block a whole domain, you can click on the Options tab of SquirrelMail and then choose Block a domain.
Block Sender plugin allows users to block e-mail addresses
SquirrelMail is a webmail application that allows you to read and send your personal emails just like any other email client. It uses standard software and network ports and requires a standard LAMP setup. To use it, you must log in twice. In the “Message” menu, you can also choose to forward a message. After you have logged in, go to “Preferences” > General.
Source code is used internally by SquirrelMail to protect against snoops
SquirrelMail is a web-based email client that aims to act as a proxy server for the IMAP protocol. Its latest stable version is compatible with PHP versions 8.1 and up. This version replaces the previous version, which supported PHP versions 5.0-5.4. If you are unsure if SquirrelMail is suitable for your server, you can read the documentation or check out the source code.
SquirrelMail can be easily exploited if you know where to look for it. Two researchers independently discovered a vulnerability in SquirrelMail, resulting in a remote code execution vulnerability. This flaw allows an attacker to trick the software into using a specially crafted configuration file, which can then trigger arbitrary command execution. SquirrelMail versions 1.4.22 and below are vulnerable to this flaw.
Embedded images can be used to carry out attacks
A recent study found that a browser’s built-in convenience features allow attackers to permanently store credentials, form input elements, and user input values, allowing them to access SquirrelMail without authentication. These tools may also allow attackers to embed images into their attacks. This vulnerability also affects the availability of email, a key element of securing your data.
To test SquirrelMail’s security, Allied Stainless, a large company in the aerospace and defense industry, requested a security audit of its web-based SquirrelMail application, which enables engineers and sales staff to read email while at a remote location, such as the customer’s office. These attacks are possible because the application is designed to allow attackers to insert images into emails.
Installation of SquirrelMail on a web server with PHP support
In order to install SquirrelMail on your web server, you need to enable PHP. You can learn more about PHP on its website. Make sure that your web server has the proper PHP support before you attempt the installation. You can also install SquirrelMail by copying the files to your web server. If you are installing on a Linux distribution, you can also use a precompiled PHP package.
SquirrelMail can work on any operating system, as long as the web server supports PHP. Using SquirrelMail is fairly easy. It can be installed on a subdirectory of /var or a separate directory, depending on your requirements. You’ll need PHP 4.1.2 and Perl support on your web server. Once you’ve installed these two packages, download the SquirrelMail tar-ball and copy it to the webmail folder or site root.
Configuration of SquirrelMail on an IMAP server
SquirrelMail is a client program that allows you to set up secure POP3, IMAP4, and SMTP connections. It uses a cryptographic protocol known as TLS (Transport Layer Security), or Secure Sockets Layer, to protect your data. It also does not store your password. You should only store the password on the IMAP server, not on the client application. SquirrelMail provides facilities to store multiple email addresses and organize messages into folders.
To configure SquirrelMail, you need to specify a database and a DSN. Then, select the table and field names. You can use the administration plugin or configuration utility to change these settings. Ensure that the primary key is set correctly, since incorrectly setting it can result in duplicate entries in the database. You should also ensure that the data directory and attachment directory belong to the same group as the web server.
How do I access the Block Sender option in Squirrel Mail?
Answer: In the message that you want to block click the More options link.
Next click Block Sender in the menu that appears.
How do I block someone in Squirrel Mail if I don’t have their email address?
Answer: If you do not have the email address of the person that you want to block you can try blocking their domain instead.
To do this go to Settings then click on Filters.
Next click on Add.
In the Add Filter Rule section select “From” from the drop-down menu.
In the next box type in “@domainname.
com” (without the quotation marks).
Leave the next two boxes blank.
In the last box select “Discard message” from the drop-down menu.
Click Submit at the bottom.
How do I know if I’ve successfully blocked someone in Squirrel Mail?
Answer: If you’ve successfully blocked someone you will no longer see any emails from them in your inbox.
What happens to emails from someone I’ve blocked in Squirrel Mail?
Answer: Emails from someone you’ve blocked will go into your trash folder.
Can I unblock someone in Squirrel Mail?
Answer: Yes.
To unblock someone go to Settings then click on Filters.
Next to the filter that you want to remove click the Delete link.
Will the person I’ve blocked know that I’ve blocked them in Squirrel Mail?
Answer: No the person you’ve blocked will not be notified.
I think someone has blocked me in Squirrel Mail.
How can I tell?
Answer: If you think someone has blocked you you can send them an email and see if you get a response.
If you don’t it’s possible that they have blocked you.
Can I block more than one person in Squirrel Mail?
Answer: Yes you can block multiple people in Squirrel Mail.
To do this go to Settings then click on Filters.
Next click on Add.
In the Add Filter Rule section select “From” from the drop-down menu.
In the next box type in the email addresses of the people you want to block separating each one with a comma.
Leave the next two boxes blank.
In the last box select “Discard message” from the drop-down menu.
Click Submit at the bottom.
Can I block an entire domain in Squirrel Mail?
Answer: Yes you can block an entire domain in Squirrel Mail.
To do this go to Settings then click on Filters.
Next click on Add.
In the Add Filter Rule section select “From” from the drop-down menu.
In the next box type in “@domainname.
com” (without the quotation marks).
Leave the next two boxes blank.
In the last box select “Discard message” from the drop-down menu.
Click Submit at the bottom.
I’m receiving a lot of spam emails in Squirrel Mail.
Is there a way to block them?
Answer: Yes.
To block spam emails in Squirrel Mail go to Settings then click on Filters.
Next click on Add.
In the Add Filter Rule section select “Subject” from the drop-down menu.
In the next box type in “***SPAM***” (without the quotation marks).
Leave the next two boxes blank.
In the last box select “Discard message” from the drop-down menu.
Click Submit at the bottom.
I’m receiving a lot of emails from a particular person in Squirrel Mail.
Is there a way to block them?
Answer: Yes.
To block someone in Squirrel Mail go to the message that you want to block and click the More options link.
Next click Block Sender in the menu that appears.
Is there a way to block multiple people in Squirrel Mail?
Answer: Yes you can block multiple people in Squirrel Mail.
To do this go to Settings then click on Filters.
Next click on Add.
In the Add Filter Rule section select “From” from the drop-down menu.
In the next box type in the email addresses of the people you want to block separating each one with a comma.
Leave the next two boxes blank.
In the last box select “Discard message” from the drop-down menu.
Click Submit at the bottom.
Is there a way to block an entire domain in Squirrel Mail?
Answer: Yes you can block an entire domain in Squirrel Mail.
To do this go to Settings then click on Filters.
Next click on Add.
In the Add Filter Rule section select “From” from the drop-down menu.
In the next box type in “@domainname.
com” (without the quotation marks).
Leave the next two boxes blank.
In the last box select “Discard message” from the drop-down menu.
Click Submit at the bottom.
I accidentally blocked someone in Squirrel Mail.
How can I unblock them?
Answer: To unblock someone go to Settings then click on Filters.
Next to the filter that you want to remove click the Delete link.
Can I block more than one person or domain in Squirrel Mail?
Answer: Yes you can block multiple people or domains in Squirrel Mail.
To do this go to Settings then click on Filters.
Next click on Add.
In the Add Filter Rule section select “From” from the drop-down menu.
In the next box type in the email addresses of the people you want to block separating each one with a comma or “@domainname.
com” (without the quotation marks).
Leave the next two boxes blank.
In the last box select “Discard message” from the drop-down menu.
Click Submit at the bottom.
Jessica Watson is a PHD holder from the University of Washington. She studied behavior and interaction between squirrels and has presented her research in several wildlife conferences including TWS Annual Conference in Winnipeg.
