Email Protocols

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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.

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Hi,

I want to get rid of the Outlook security alert. The alert says: The name on the security certificate is invalid or does not match the name of the site.

We have on-premise Exchange 2010. The…

2070 views
Better Security Awareness With Threat Intelligence

See how one of the leading financial services organizations uses Recorded Future as part of a holistic threat intelligence program to promote security awareness and proactively and efficiently identify threats.

Small domain running SBS 2011 essentials at a church that's using o365 for email for the users.  there's an account youthdirector@church.com.  The user is jane doe.  When she sends mail from youthdire…

526 views

I'm setting up a registration system that will allow our administrators to send out emails using PHPMailer.  I'd like to track bouncebacks and remove bad email addresses.  Is there a way to do this in…

311 views

Hi guys, in a recent post (25109646/Best-Practice-for-Shared-Mailboxes-in-Lotus-Notes) there was a helpful section that explained about enabling users to access shared mailboxes using their own IDs.

312 views

tell me all the php mail header choices and what they mean


I tried looking at links (php.net mail for example) that have 4 options such as mime type, bcc, cc

but need to know more options and …

214 views

There are 2 junk folders in my office 365 email client. one of them delete is greyed out which I would like to get rid of and the other is not which I would like to keep. How do I get rid of the dupli…

23112 views

My OS is win 10 pro 64 bit and I use Outlook the OWA version.  At times I get interesting emails which I would like to  file for future reading, or maybe like into an E book because some of them are l…

625 views

I have a users reporting that they cannot receive emails from .mil addresses. They can receive emails other external organizations such as gmail/Hotmail/ and from our email server, but not .mil.


1752 views

Up until recently I had a CCTV system sending email through gmail happily on port 465 SSL. The CCTV does not have TLS capability. My camera no longer send reports /pics etc. Is there any work around f…

946 views

Helping a friend who uses gmail and outlook 2013.  Normally I set that up with POP in outlook.  People talk so highly of imap but I view it as a cheap unreliable alternative to Exchange.  Am I wrong?…

839 views
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Can someone tell me what this means:

Delivery to the following recipient has been delayed:

     jboland11@cox.net

Message will be retried for 1 more day(s)

Technical details of temporary f…

345 views

We have a PHP app running along side our original classic .asp application on a WIndows 2012 R2 server running IIS.  In our original app we used MailEnable (free version) to allow us to send emails ou…

429 views

Hi,

We do not currently have network connectivity to an in house smtp relay server.    Do I need to use an IIS Server for this or how can I do this to the safest relay server without using an in - …

240 views

We are not able to send emails to gmail from an internal application server.  Other external emails do accept the messages.  Does anyone know what may stop this ?  I have tested blacklisting and it do…

349 views

Hi Experts,

after installation of EXCH2013 I have several receive connectors.
Default Frontend
Default Proxy
Client Frontend
Client Proxy
Outbound Proxy Frontend


Can you explain these 5 ?
Do …

136 views

Our ISP wants their customers to switch their SMTP port from 25 to 587.  They have only given us a three week notice.  Come the end of October, they say they will be blocking all port 25 traffic flowi…

2243 views

I registered a domain and changed the primary and secondary nameservers to point to my web host.  

I now want to setup an email address but the web host says I have to do this at the "domain provid…

246 views

Hi, we are planning following scenario:

What we have now:

Domain test.de associated to a Webserver product at our hosting provider.
The MX entry for test.de goes to the mail cluster of the host…

755 views

User says they just installed an update to Office 365
Mac recipients are now getting  winmail.dat attachments

I know how to fix this on the Mac side, but it's hard to tell all the recipients to do…

249 views
Threat Intelligence Starter Resources

Integrating threat intelligence can be challenging, and not all companies are ready. These resources can help you build awareness and prepare for defense.

hi,

I keep receiving email on saying my yahoo email has been login using unrecognised device, anyway to check the hostname of that device?

1552 views

Hello Everyone,

I am trying to understand how pop and Imap account work. Several people gave me different answers and now they confused me.

I am going to write a statement and please can someone…

2468 views

I manage my own mail and I have an email address that I have used for years that my family can send messages to and it will automatically send those messages to everyone on the Family List. The addres…

865 views

It is Windows Mail and not any other name.

Last year the ISP was changing their servers, etc. and we could no longer user our user name to login. We had to start using the entire e-mail address. Wh…

2256 views

We have 2 domains in our company.  I setup a corresponding distribution group for a users email account so he could send an email from either domain address. (example:  John.Doe@ficticiousdomain.com i…

891 views

Each day, a particular user constantly get locked out of his computer. We always need to unlock his domain account to allow him to log in. I believe he has a session somewhere on another machine, wher…

25181 views
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