How to prevent emails as spam?

Homework and Emergencies Emergency UNIX and Linux Support How to prevent emails as spam?

01-15-2016

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If you are not spamming it should be go to directly to inbox. Gmail has very smart filters, I guess they do check on how many similar emails are there, minor differences like adding random numbers or text will confirm it as spam.

Other things you should look at if your domain or any IP's are blacklisted.

gmail uses following way to check spam, Check URL: https://support.google.com/mail/answer/1366858?hl=en

If you have registered users for specific email subscription; Have then add to white list. Else if you are spamming on random emails, then it will be reported and your product and company can also get banned.

chakrapani

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checkgmail

CheckGmail(1)						      General Commands Manual						     CheckGmail(1)

NAME

       CheckGmail - system tray applet to check a Gmail account for new mail

SYNOPSIS

       checkgmail [-profile] [-hosted] [-popup_delay] [-no_cookies] [-private] [-v | -verbose] [-nocrypt] [-h]

DESCRIPTION

       CheckGmail  is an alternative Gmail Notifier for Linux and other *nix systems. It is fast, secure and uses minimal bandwidth via the use of
       Atom feeds.

       CheckGmail is a system tray application that checks a Gmail account for new mail. When new mail	is  present  the  tray	icon  changes,	an
       optional  animated  popup  is  displayed  and a tooltip displays the number and details of new messages. Configuration is GUI-based and the
       application is designed to be simple, elegant and unobtrusive.

       CheckGmail aims to be relatively secure in terms of password storage.  Combined with Crypt::Simple(3pm) the program provides the option	of
       either encrypting the saved password information or - for maximum security - re-entering your password each time the application is run. If
       you decide to save the password, it is encrypted using a passphrase generated from machine-unique information (the eth0 MAC address  and/or
       uname  system  information).  Encrypting the password prevents both casual reading of plain text passwords on your machine, but more impor-
       tantly allows the CheckGmail config file in your home directory to be stored securely on external backups.

       For the password encryption function, CheckGmail depends on the Perl module Crypt::Simple(3pm) CheckGmail will save passwords as plain text
       if this module (or associated modules) is not present on the system.

OPTIONS

       -profile=[profile_name]
	      Using this switch causes CheckGmail to read preferences from a file named prefs-[profile_name] in ~/.checkgmail - thus allowing mul-
	      tiple instances of CheckGmail to be run to check different Gmail accounts.

       -hosted=[Gmail hosted domain]
	      Allows checkgmail to work for Gmail hosted domains.  E.g. if your hosted domain is test.net, run the program  with  -hosted=test.net
	      Once run, the -hosted flag is not required again for that profile.

	      N.B: You will need to delete the Atom feed address from your preferences or use a new profile before using this option for the first
	      time.  Following a change in the Gmail login code for hosted domains, this  option  does	not  appear  to  be  compatible  with  the
	      -no_cookies method of checking mail.

       -popup_delay=[time in millisecs]
	      Sets the time taken between the mouse entering the system tray icon and the tooltip being displayed.  Default is 250 millisecs as of
	      version 1.10 (previous versions used no delay).

       -no_cookies
	      Uses the old Atom feed retrieval method (default in versions 1.7.2 and earlier) of sending the username and password  across  https.
	      The  alternative,  and  currently  default method, is to login to Gmail, save the authentication cookies, and then retrieve the Atom
	      feeds without requiring any further authentication - this method has the benefit of allowing various actions to be carried out  upon
	      new messages received, such as deleting, marking as read, archiving or reporting spam.

       -private
	      Prevents the display of message details in the popup - only the number of new messages will be displayed.

       -v | -verbose
	      Causes CheckGmail to print details of mail checking and mail contents to STDOUT

       -nocrypt
	      Disables the use of Crypt::Simple to encrypt saved password information - passwords will be saved as plain text.

       -h     Prints a usage message.

ENVIRONMENT

       HTTPS_PROXY
	      Setting the HTTPS_PROXY environment variable will cause CheckGmail to use the specified proxy server when checking for new mail.

FILES

       ~/.checkgmail/prefs.xml
	      User configuration file

       ~/.checkgmail/lang.xml
	      Language translations

AUTHOR

       Owen Marshall <owenjm at the email provider which this utility checks>

																     CheckGmail(1)

Emergency UNIX and Linux Support