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Email Protocols

Interactions between email servers and clients are governed by email protocols. The three most common email protocols are POP, IMAP and MAPI. Most ...

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Zippity doo dah, zippity ay, my oh my what a wonderful day!!

Troubleshooting Solution

Emails keep going into Spam no matter what we do



My customer bought a domain allrounddomain.com and one email product called "Professional Email


A Crash Course in Email: SMTP

The most common mistakes I hear or read about email usually begin with people talking about POP3 and …
Troubleshooting Solution

Hotmail pop3 & SMTP config

does anybody know what to put in the pop3 and smtp host server in any kind of e-mail client for …
Troubleshooting Solution

Dmarc - Stop receiving undeliverable or responces


Hi all,

I have had DMARC running for a while and think I got it going well. Issue I am looking into

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iPhone replying to work email with personal email but doesn't have work email password


There is a user that is replying to work emails from an iphone with a personal gmail account and the

Advice Solution

Need help setting up SPF, DKIM, and DMARC in DNS.


Need help setting up SPF, DKIM, and DMARC for e-mail. Most of the e-mail hosts have configured

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Fake email


We had an incident where an office person received an email with a legit email address that they had

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Outlook Data Files Can't Access Advanced Tab

This is an issue that I came across while trying find a solution to another problem. I am posting it …
Troubleshooting Solution

Setup CDO for Office365.

Hi Experts,

This is in reference to the following.

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Earthlink is blocking our email -- "mx-roseate.atl.sa.earthlink.net #550 550 Dynamic/zombied/spam IPs blocked."

Earthlink is blocking email from our Exchange Server 2007 server.

Here is the error message …
Troubleshooting Solution

Email being rejected with 550 5.7.1 Message rejected by sender's SPF policy OXSUS001_514


I have some people complaining they cannot send email to me and they get this error message:



Top Worst Responses to Our Emails

We aren’t perfect, just like everyone else. Check out the email errors our community caught and learn the top errors every email marketer should avoid.
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How do I find out what process/user is sending spam via my postfix server? (which accepts no outside relay)

my postfix server does not accept mail from external sources to relay.  Every couple weeks It sends …
Troubleshooting Solution

Outlook using IMAP Problems

Since I switched to IMAP since August I been having issues with Outlook not receiving emails. let me …
Troubleshooting Solution

Email issue

Having the same details (in Win 8.1) machine, it is fine to connect using the same Thunderbird …
Troubleshooting Solution

Program to check for new files.

Hi Experts,
I am looking for a program that will keep checking at a particular folder every 20 …
Troubleshooting Solution

Email server getting blocked.

I am running my own emal server, but for some reason my emails are being blocked or maked as junk by…

August Newsletter: What is a Blockchain?

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Troubleshooting Solution

Need recommendations in configuring an exchange2010 in branch office outside country

byM A
we have a branch office outside country.

Public IP of branch office is got black listed.

They …

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