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  :: Help-файлы :: GopherMail

.: GopherMail

About GopherMail

GopherMail is a gopher client that uses electronic mail to interact with the user. Messages containing menus and gopher link information are mailed to users in response to their requests. Users reply to these messages and indicate which menu items they want. It lets people use Gopher without requiring them to have an account directly on the Internet, because it communicates through email messages instead of direct "live" network connections.

Until now, Gopher could only be used by people with Mac's, PC's, NeXTs and Suns, etc. which are "live" on the Internet, or through login
accounts on Internet machines. Gopher client programs would make a direct network connection to the Gopher server on the host with the
desired information, anywhere on the Internet, anywhere in the world.

Thanks to the GopherMail program, most of the resources of Gopher are now available to everyone with email-only access to the Internet. One
estimate says that there are more than 10 million people who are off the Internet, but can reach it with email. Wow.


Getting Started

You can get started by sending mail to gopher@Czechia.EU.net with any or no subject and any or no message body. GopherMail will reply by sending you it's main gopher menu. You then use your email program to reply to that message, including it in the text of your reply. Mark which menu options you want to follow-up by putting an "X" (or "x") anywhere near the beginning of the line, before the menu numbers for those options.

>From there you can just keep repeating the process, sending replies back to gopher with the desired items marked with an X. To make it more efficient, you could edit your replies so they contain just the gopher link infor- mation for the items that you want. You'll find all the link information
after the menu, at the bottom of the menu messages that GopherMail sends to you. Some items on gopher menus are database searches and college phone books. To search for a particular name or keyword(s), you simply send them on the "Subject:" line of the message in which you've Xed the phonebook or WAIS database menu option.


Options

GopherMail's options include:
- Message splitting after a certain file size
- Menu splitting after a certain number of menu items
- Re-using links saved in a "Bookmarks" file
- Requesting the Gopher menu for a specific hostname
- Requesting this help file
- Selecting menu items using fewer keystrokes
- Requesting items from the Info-Mac Archive
- Requesting gopher items with their raw link information

Since many email gateways have size limits on email messages, it's possible to split GopherMail output into several messages when it exceeds a certain
size. This can be done by specifying a maximum number of menu items to send in one message, or by specifying a maximum size in bytes for text, HQX, binary and sound files. There are a couple of ways to do this. The first way is to put "Menu=50" and/or "Split=30000" (for example) in the
"Subject:" of your message when requesting gopher menus and/or files. This would limit the output to 50 menu items per message, and would send files in messages of approximately 30,000 bytes each, maximum.

The other way is to include these same instructions in the body of the message, on separate lines. For example:

Split=25K You may have text after the "25K". The "K" or "k" becomes "000".
Menu=75 Yes, I know 1K = 1024, but it was easier to write this way.

Lines like these already appear in menu messages, you can find them after the menu items and before the link information. They contain the default
values. You should edit these lines to contain the values that you want. All subsequent menus will contain your preferred "Menu=" and "Split="
values. Setting these values to 0 (zero) has the effect of not splitting messages at all. The default is to split menus after 100 items, and files
after 27,000 bytes. If "Split=" or "Menu=" appear in the Subject: of the message, these will override the values set in the message body.

You can specify a different host when requesting a top level gopher menu by placing a fully qualified domain name as the "Subject:" of your
message (such as gopher.micro.umn.edu). You can also specify a port other than the default of 70 by placing it after a fully qualified
domain name in the subject (e.g. darth.sdsc.edu 800).

The most efficient way to use GopherMail is to mail just the link information for one or several gopher items. You can build a type of
"bookmarks" file by saving the links that you want to use again. If you mail just the link information for a gopher connection, GopherMail
will follow the link and mail you the output. Here's what you need:

Name=About GopherMail <- This is optional, it returns in the Subject:
Type=0 <- This is required, see below for a list of types.
Port=70 <- Port 70 is assumed, required only if different.
Path=0/gophermail <- This is usually required, depends on the link.
Host=gopher.vscht.cz <- Required. This MUST be the last line of the link.

Supported Types are:

0 -- Text File
1 -- Directory
2 -- CSO name server
4 -- Mac HQX file.
7 -- Full Text Index (these are often WAIS database searches)
9 -- Binary File
s -- Sound

Binary and Sound Files are sent as uuencoded files.

If you send the word "help" as the subject (no quotes), GopherMail will send you this help file.

To save a few keystrokes, instead of putting X's in front of the menu lines, you could also just insert lines at the top of the reply which
contain an "X" followed by the menu number that you want, such as:
x3
X15

Macintosh Programs and other files uploaded to the Info-Mac Archives on Sumex at Stanford can be easily requested through GopherMail. Just
send mail to gopher with the complete "Archived as" line for each file, such as: [Archived as /info-mac/dir/file-name.hqx; 400K] GopherMail will recognize these as Info-Mac requests, and retrieve them from the gopher server on sumex-aim.stanford.edu. Since mail programs like Eudora can automatically de-binhex only complete HQX files, the default for Info-Mac files is not to split them into parts. This can easily be overridden by supplying a "Split=" value on the
Subject: line.

GopherMail also recognizes gopher link information in "raw" form, which means tab-delimited on one line. A typical link might look like:

0About GopherMail#0/gophermail#gopher.calvin.edu#70

The "#" marks represent tab characters. This may not seem very useful, but it allows you to copy a link from a program like GopherApp
and paste it into a message to gopher for processing by GopherMail.


Credits

GopherMail was written in Perl by Fred Bremmer in September 1992. Nick Hengeveld helped with the TCP portion, and Matt Ranney provided
the book on Perl and helped with some regular expressions. Several friends helped to find bugs and suggest improvements.

For help, to report bugs, or for more information, send email to gophermail-admin@Czechia.EU.net

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