We have a web application that uses the client email to send email 'from'. We want to add an SPF record on the client's DNS (text records) to allow this. I need to confirm the syntax before I do so.

v=spf1 a mx a:mail.domain.com mx:domain.com ip4:XX.XX.XXX.XX ~all

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"domain" being their domain name
XX.XX.XXX.XX being the IP of the server that hosts the web application

Please let me know if you think this looks correct or if any changes are needed.. Also what is the difference between mail.domain.com  and  domain.com

We have blocked yahoo, Hotmail, gmail, dropbox :
our audit says there are some lesser known ones that were
not blocked by our Bluecoat proxy.

Anyone can help list out these browser based emails &
file sharing tools ?  Would like to cover more to be thorough
to prevent data loss/leakage

I have  a web application that sends emails on behalf of the user. They register create a profile and enter their email address.

Then the application sends an email with their email address as the 'from' email.
The volume of emails is very low, and we currently use the local IIS SMTP server. So far no complaints.

I am trying to see if there is a better way to do this because sometimes the emails go to the SPAM. I am trying to see if there is a service out there that would allow us to use their service as SMTP relay and send those emails with their service, using the email addresses of our clients.

It is VERY unlikely that anyone would report an email as SPAM since they send those emails to their clients when they sign up or send them a letter, etc. only transactional emails no marketing and we don't need to keep a list of contacts anywhere either.

Pleases provide me with the steps on how to change the Exchange email sync schedule on a Samsung Galaxy S8 cell phone.

Please help.  Already checked POP, etc.  Everything is matching up with what it says on line.  Been using it for a long time and now this issue is coming up.  Sometimes brings up a box asking me to login again sometimes just gives an error screen that says operation timed out waiting for response from receiving POP server.

I am receiving the following error when truing to setup Microsoft Exchange 2013 on a new server. I have followed all of the instructions noted in Microsoft's guide:
https://social.technet.microsoft.com/wiki/contents/articles/14506.how-to-install-exchange-2013-on-windows-server-2012.aspx
However when I run the installer it throws this error when setting up the "Mailbox role: Transport service."

Error:
The following error was generated when "$error.Clear(); 
            if ($RoleProductPlatform -eq "amd64")
            {
                $useAttachMode = $false;
                $fastInstallConfigPath = Join-Path -Path $RoleBinPath -ChildPath "Search\Ceres\Installer";
                $command = Join-Path -Path $fastInstallConfigPath -ChildPath "InstallConfig.ps1";
                $fastDefaultDataFolderPath = Join-Path -Path $RoleBinPath -ChildPath "Search\Ceres\HostController\Data";
                $dataFolderPath = $fastDefaultDataFolderPath;
                
                if ([System.IO.Directory]::Exists($fastDefaultDataFolderPath))
                {
                    $useAttachMode = $true;
                }
                else
                {
                    if ($RoleIsDatacenter -eq $true)
                    {
                        $preferredDataFolderPathRoot = "D:\";
                        if ([System.IO.Directory]::Exists($preferredDataFolderPathRoot))
                        {
                            $dataFolderPath = Join-Path -Path 

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I recently implemented a standardized email signature at the company I am working at.  I am using remote images hosted on our website within the signature so that I can swap them out for fun themes for holidays and such.

I have run countless tests at mail-tester . com and all have come back positive.  With the exception of our mail server being listed on three spam lists since our email is through Gmail and that is out of our control.  

I have an issue where about two of our clients simply cannot receive email from us when sent with the signature.  Without the signature, the mail delivers just fine but with the signature it just doesn't even get delivered.. not in inbox or spam folder.  It's as if it was never sent.

I've tried everything from updating our website's SPF record and dkim signature to allow the Gmail server to send on our behalf (something that probably should have been setup long ago) and the problem still persists.

Can anybody think of any reason that our signatures would be blocked.. albeit by a very small percentage of our client's mail servers?

I did see the below question that was asked back in 2011 but my emails have passed every tester that I've found.
https://www.experts-exchange.com/questions/26732296/Email-Signature-being-blocked.html

Hello Team,

We recently come in hybrid environment, with Exchange 2013 and O365.

once my mailbox get moved to O365, i am unable to book any meeting in Room mailbox, same room is booked by on-premises user

even office365 user not even getting the notification email of acceptance or declining. What could be the issue on this

Please suggest

Thanks,
Addy

I have an Outlook 2016 client connected to an Exchange 2013 Server.  I created a Shared Mailbox Resource called "SHARED" and gave myself PublishingAuthor privileges on the "SHARED:\Contacts" folder.  Specifically I did not make myself the owner of the mailbox because I only want to be able to see the contacts, nothing else.  Doing this for the one main folder, I have no issue.  

Now that I see his contact list in my outlook, I have a bunch of related contacts I want to group together in a sub folder.  As a PublishingAuthor, I expect to have inheritable rights to create a subfolder underneath "Contacts", and then be able to open up that folder as an additional Shared Contact Folder.  This I cannot do.  

If I right click on the shared contact folder, and select new folder, it does not allow me to put it under the existing share.  If I log in as the owner of the shared resource, create a subfolder, and grant PublishingAuthor access to myself (same as primary contacts folder), I cannot open up the second shared folder.

Any and all help would be appreciated.

All users are connected locally (Outlook 2016 lastest update of Office 365 business premium) to the Exchange 2016.   Exchange 2016 has been updated from RTM to CU4.  

- we had to rebuild the profile for some users because they were receiving the "temporary mailbox" problem:  "your mailbox has been temporarily moved on MS Exchange Server. a temporary mailbox exists..."  

- The search result in Outlook is no longer showing the name of the sender for all emails of last week an older but it shows the right result for the most recent emails.  We've been trying te re-index in Outlook.  All Exchange services in Exchange are running including search.   It's only in Outlook, OWA shows the send for all emails in the search result.

Thank you

I am the designated admin for multiple MailChimp accounts.  Recently noticed one of our subscription links for a production site, seems to have one of my development domain names within the URL.

Our production site for our Calendar subscriptions is https://calendar.neighborsofchampaign.com

The MailChimp subscription form link is:
http://etcil.us13.list-manage2.com/subscribe is the URL in question.

Odd thing is:
"etcil" happens to be one of my development domains.

The subscription form does its job, but has me concerned should the time come where my development site become unavailable.  This does not seem like a coincidence and has me bugged :)   Looking for help back tracking to understand what the connection is?

Hi,

I've tried unsuccessfully to get CKEditor to allow me to paste directly into their email editor (and have it end up showing up as an image when the recipient receives it).

Does anyone know how to tweak CKEditor to do this, or can someone point me to another email editor that is capable of handling image pastes?