Link Intercept

   Link Intercept

Redirect links in email

This setting allows you to redirect links in incoming email to go via your Hexamail Web interface. The interface can then track link clicks, warn users before redirecting or block links and inform users that the link is blocked and they should consult the system administrator to access the link.

Example interface:

Options:On/Off

Default:off

Example:on

Include allowlisted email

This setting allows you to redirect links in incoming allowlisted email.

Example interface:

Options:On/Off

Default:on

Example:on

Link Expression Matching

This list allows the configuration of link matching expressions. When an expression matches it will perform the action specified for the expression. The expression type shows the type of expression the matching engine will use for the entered expression. Expressions have a built in precedence: Skip > Track > Warn> Block

Expression types:

sub

Case insensitive substring

Specify as

simply "match" or "sub(match)"

Example

sub(mail) matches the phrase "Hexamail produces server software"

SUB

Case sensitive substring

Specify as

"SUB(match)"

Example

SUB(mail) does not match the phrase "HexaMail produces server software"

cmp

Case insensitive exact match

Specify as

"cmp(match)"

Example

cmp(mail) matches ONLY the entire exact string "mAil"

CMP

Case sensitive exact match

Specify as

"CMP(match)"

Example

CMP(mail) matches ONLY the entire exact string "mail"

word

Case insensitive word match

Specify as

" match " or "word(match)"

Example

word(mail) does not match the phrase "Hexamail produces server software" but does match the phrase "Hexamail produces mail server software"

WORD

Case sensitive word match

Specify as

"WORD(match)"

Example

WORD(Mail) does not match the phrase "Hexamail produces mail server software" but does match the phrase "Mail server software produced by Hexamail"

wild

Case insensitive wild match

Specify as

"*m?tch*" or "wild(*m?tch*)" (? - single character match, * - multiple character match)

Example

Example wild(*v?agra*) matches the phrase "Hexamail does not ship v1agra"

Note

the * wrappers round wildcard expressions, you can also do wild(Start*) to match the phrase "Start of the content" but not match "the content starts here"

WILD

Case sensitive wild match

Specify as

"WILD(m?tch)"

Example

WILD(*v?agra*) does not match the phrase "Hexamail does not ship V1agra"

Note

the * wrappers round wildcard expressions, you can also do WILD(*End) to match the phrase "The content End" but not match "the content ends here"

reg

Regular expression

Specify as

"reg(expression)"

Example

can be found at the website
http://www.regular-expressions.info/

REG

Case sensitive regular expression

Specify as

"REG(expression)"

Example

can be found at the website
http://www.regular-expressions.info/

BOOL

Boolean expression

Specify as

"BOOL(expression)"

Example

BOOL(wild(*viagra*) AND wild(*ph?rm?cy*) must match both wild matches to be considered an overall match. Brackets may be used.

Note

Brackets allow nested clauses in a BOOL expression

Add #NN to any weighting expression to multiple the weight by the number NN

Icon key:

 - If matched these expressions track link clicks and redirect

 - If matched these expressions track link clicks and redirect

 - If matched these expressions warn the user on clicking the link

 - If matched these expressions block the link

Column Headings:(Click the heading to sort by the column)

Expression

The expression

Action

Action the expression has

Type

Type of expression

Buttons:(Underneath control)

Add

Add an expression

Test

Test a link against the expressions

Edit

Edit the selected expression

Delete

Delete the selected expression(s)

Import

Import expressions from a file

Export

Export the selected expressions to a file

Context Menu:(Right click selected items)

Edit:

Edit the selected expression

Change to:

Change the expression action

-->

Skip:

Set the expression to skip and not be replaced/redirected

Track:

Set the expression to Redirect

Warn:

Set the expression to Warn

Block:

Set the expression to Block

Enable:

Enable the selected expression(s)

Disable:

Disable the selected expression(s)

Delete:

Delete the selected expression(s)

Expire links after

You can expire links from the link database after a specified number of days to prevent excessive growth of the database. After this time users can no longer click on links and be redirected to the destination website.

Example interface:

Range1 - 9999 Days

Default:730 Days

Example:999 Days