G-Lock EasyMail » spam filters

URLs and Images: Real Reason for Email Blocking?

Julia — Thu, 01 Apr 2010 10:59:23 +0000

Your sender reputation and email content are two major factors that determine the destination of your email. A bad sender reputation alone can cause your messages being filtered as spam. But the email content is another big challenge for email marketers.

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URLs and Images: Real Reason for Email Blocking?

Tags: deliverability, email blocking, email filtering, spam filters

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URLs and Images: Real Reason for Email Blocking?

Inactive Subscribers: Always Purge or Always Retain?

Julia — Mon, 02 Mar 2009 14:33:18 +0000

In these tough times when email marketers try to make more sales with less expense the question of what to do with inactive subscribers is as vital as never before. Whatever method of collecting email addresses you use (opt-in form, customer database, affiliate programs, offline way, etc.), your list will contain a portion of recipients that can be classified as inactive – those who did not act upon your messages during a given period of time, for example, during six last months.

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Inactive Subscribers: Always Purge or Always Retain?

Tags: bounced email addresses, inactive members, spam complaints, spam filters, unsubscribe procedure

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Inactive Subscribers: Always Purge or Always Retain?

6 Tips for Writing Better “Subject” Lines

admin — Fri, 03 Oct 2008 18:16:18 +0000

Like the From field the Subject line is one of the most important components of a successful newsletter sending campaign. Together with the From line, the Subject line determines whether the recipient will open an email, delete it immediately, save file it for future reading, or report and/or filter it as spam. Plus, many anti-spam filters use the Subject lines to separate good emails from spam. So, because of a poorly written Subject the email may not even reach the recipient’s inbox in the first place.

Below are the tips to write Subject lines that produce higher open and click-through rates:

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6 Tips for Writing Better “Subject” Lines

Tags: anti spam, email list, Email Marketing, email messages, good emails, html templates, spam filters, subject line, subject lines

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6 Tips for Writing Better “Subject” Lines

Don’t Use the Word “Free” in the Message

admin — Fri, 03 Oct 2008 13:26:43 +0000

This statement is taken for the rule by many email marketers. Despite of a magic power of this word that prompts the recipient to immediately act on your email, it’s generally believed that "free" is a pure spam word. Yes, there is a truth behind this. Every other spam message contains the word "free". But what is the most important is the environment this word is used in, i.e. the whole phrase with the word "free" matters.

Let’s look how two popular spam content filters – Spam Assassin and MS Outlook 2000 – work and handle your emails.

Spam Assassin, one of the main “test” spam filters, assigns points – positive and negative – to the message content and HTML code. Positive points mean potential spam, negative points mean the message content and code are not generally used by spammers. The score is calculated and if it exceeds a certain level, the message is filtered as spam. It’s about the Spam Assassin user to determine the level at which emails are filtered. It is generally believed that most companies/ISPs use a total score of around 10, but that some may go as low as 4.

In the Spam Assassin the phrases with the word "free" do get fairly high scores – 1 and higher. But the phrases commonly used in legitimate emails such as “free report”, "free download", "free upgrade", “free e-book” and “free newsletter” are not affected.

Unlike the Spam Assassin, MS Outlook 2000 Junk E-mail Filter uses a pass/fail method. It looks for “junk and adult” content in the message and directs suspicious messages to the Outlook’s Deleted Items folder. The common things that trigger the filter are the use of an exclamation point and the word "free" in the message Subject line.

The bottom line: Use the word "free" in your email newsletters wisely and test, test and test your message before sending it to the whole list.

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Don’t Use the Word “Free” in the Message

Tags: email newsletter, email newsletters, mail filter, mail marketers, message subject line, ms outlook, ms outlook 2000, outlook 2000, spam assassin, spam filters, subject line

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Don’t Use the Word “Free” in the Message

Best Email Delivery Practices Gone Bad

admin — Fri, 03 Oct 2008 12:49:38 +0000

OK, we’ve just described best email practices you should follow to pass as a good email marketer and get better delivery results. But you know there is nothing constant on the Internet. New methods are being adapted; old ones go out of date. Email delivery practices change as well. Email practices that were widely and successfully applied yesterday may not be so effective today.

With all that said, we feel it’s reasonable to get you familiar with email sending tactics that are no longer good. If you are using any of such tactics or may just be thinking about applying any of them, you may consider changing your mind and not engage into them.

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Best Email Delivery Practices Gone Bad

Tags: campaign performance, delivery practices, delivery results, email campaigns, email clients, email delivery, email messages, html code, html effects, html email, mail marketers, relationships, spam filters, subject line

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Best Email Delivery Practices Gone Bad

How Anti-Spam Systems Work

admin — Fri, 03 Oct 2008 11:31:59 +0000

Since at present SPAM is a problem of vital importance on the Internet, a lot of people use anti-spam applications to protect themselves against spam and junk emails. So, you may wonder how to design a HTML newsletter so that it is compliant with anti-spam filters. There is no ruse. Just be yourself, act normal, and don’t make any obvious mistakes.

At the beginning we thought it would be wise to give you some information how the various anti-spam applications work. We’ll cover all known techniques to detect spam. Once you get an overall understanding of how they work, designing around them will be much easier.

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How Anti-Spam Systems Work

Tags: anti spam, bayesian, challenge response, html newsletter, junk emails, response filters, spam filters

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How Anti-Spam Systems Work

Words and Phrases that Trigger Anti-Spam Filters

admin — Fri, 03 Oct 2008 11:09:07 +0000

Some anti-spam programs search for words and phrases that are typical of spam and assign each incoming e-mail a "score." If your e-mail has too many of these words and phrases, you receive a high score, and you may be blocked.

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Words and Phrases that Trigger Anti-Spam Filters

Tags: anti spam programs, e mail marketing, email newsletter, money order, spam filters

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Words and Phrases that Trigger Anti-Spam Filters

How HTML Code Affects Anti-Spam Filters

admin — Fri, 03 Oct 2008 11:04:57 +0000

It is believed that an email gets filtered because it contains any of spam trigger words or phrases or because the sender is unknown to the recipient. This is not always true. Of course, certain words and phrases may cause a message being filtered but ISPs may also block your legitimate email for reasons you may not be thinking of, for example a HTML code.

You know some ISPs rely on the message HTML code to determine whether the email is legitimate or spam. For instance, the emails with an outdated or incorrect code end up in bulk or junk mail folders when sent to such domains as MSN/Hotmail and AOL. Why do some ISPs validate HTML code? Because of spammers, of course. Using wrong HTML syntax spammers try to fool standard content filters.

You may think that everything is OK with your HTML code if the message renders correctly and looks just fine to you. Not always! Each ISP handles email differently, and the messages that get past the filters at one destination may be filtered or entirely blocked at another.

Here are some particularities of a HTML code that can trigger anti-spam filters:

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How HTML Code Affects Anti-Spam Filters

Tags: account numbers, bulk folder, content filters, email, html syntax, junk mail, mail folders, msn hotmail, scammers, spam filters

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How HTML Code Affects Anti-Spam Filters

How to Adjust Anti-Spam Filters with Most Known ISPs

admin — Fri, 03 Oct 2008 11:01:02 +0000

We have received numerous complaints from G-Lock EasyMail customers experiencing difficulties delivering the emails to their clients and to their test email accounts. The problem is that the emails are shown as sent in G-Lock EasyMail but the end user never receives them. This is because of spam filters in most cases.

Here we’d like to share with you some tips about how you or your recipients can adjust the spam filters in order to receive the emails. If you are using a third party spam filtering application like SpamGuard, you will not be able to receive the emails until you manually add the sender’s email address and/or the domain name to your list of accepted email addresses.

If you are NOT using a SpamGuard program and do not receive the emails it is because spam filters are enabled on your email account internally. Many companies do this "behind the scenes" so you may not even be aware of the fact that some of your emails are being filtered or even deleted! Internet Service Providers (ISPs) boast that they can eliminate unwanted mail from your inbox. Unfortunately they also eliminate much *wanted* messages as well.

You will need to adjust your spam filters so that you can receive the emails. In this cahpter we’ll give the instructions for a few of the different mail service providers. If your company is not listed, contact your ISP directly or consult their help files for instructions on how to adjust the mail filters on your account.

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How to Adjust Anti-Spam Filters with Most Known ISPs

Tags: aol user, email address, email addresses, help files, internet service providers, mail filters, mail service, spam filters, spamguard, unwanted mail

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How to Adjust Anti-Spam Filters with Most Known ISPs

I am a YAHOO User and I Can’t Receive Emails

admin — Fri, 03 Oct 2008 10:30:56 +0000

Yahoo seems to filter email they consider junk mail into a folder titled Bulk.

To ensure that you are able to receive email from the specific sender, you must do the following:

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I am a YAHOO User and I Can’t Receive Emails

Tags: bulk email, bulk mail folder, click options, domain name, filter name, junk mail, message body, safe list, spam filters, wrong impression, yahoo account

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I am a YAHOO User and I Can’t Receive Emails

G-Lock EasyMail » spam filters

URLs and Images: Real Reason for Email Blocking?

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