A Crash Course in Email: SMTP
The most common mistakes I hear or read about email usually begin with people talking about POP3 and …
![]()
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 ...
Read more- 14K Content
- 7.0K Contributors
Expert Spotlight
Article
Video
How a small business owner can reduce the cost of Google Apps
In this Experts Exchange video Micro Tutorial, I'm going to show how small business owners who use …
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
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 …
Advice Solution
I seek a non-Gmail email provider for my web domain.
I seek a non-Gmail email provider for my web domain.
GMail does all I need, but I fear censorship.
Can
…
Troubleshooting Solution
Steps to determine if organization has DMARC and DKIM in place
What websites can I visit so I can enter my organization's domain name and then receive a report as
…
Troubleshooting Solution
Exchange server 2019 settings important to document
What Exchange server 2019 settings are important to document in case the Exchange server stops
…
Troubleshooting Solution
Setup CDO for Office365.
Hi Experts,
This is in reference to the following.
…
This is in reference to the following.
…
Advice Solution
I need a safe and reliable email server where I can use my own web domain.
I need a safe and reliable email server where I can use my own web domain.
I also require a minimum
…
Troubleshooting Solution
Steps to verify that emails are being forwarded to external email address
A user within my organization has requested that her emails be forwarded from her Exchange 2019
…
Troubleshooting Solution
Outlook 365 Hangs ?? Send/Receive-Can't Receive Email
I would like to know what is the solution that will hopefully fix this issue I am having with
…
Troubleshooting Solution
my sent email is all of the sudden going to clients spam folders
email that I'm sending is now going to my customers spam boxes. kinda happened out of the blue. …
Troubleshooting Solution
Email fails to be sent to a specific domain, errors 5.1.0 & 5.7.0
Dear Experts,
We have an on-premise Exchange 2013 and Outlook 2019.
The Outlook clients are connected
…
Troubleshooting Solution
Earthlink is blocking our email -- "mx-roseate.atl.sa.earthli
Earthlink is blocking email from our Exchange Server 2007 server.
Here is the error message …
Here is the error message …
Troubleshooting Solution
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 …
Article
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.
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
Hi,
Having the same details (in Win 8.1) machine, it is fine to connect using the same Thunderbird …
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 …
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…
Explore solutions and more
![]()
Email ProtocolsBack to the top
Interactions between email servers and clients are governed by email protocols. The three most common email protocols are POP, IMAP and MAPI. Most email software operates under one of these (and many products support more than one). The correct protocol must be selected, and correctly configured, if you want your email account to work.