Exchange 2013

Save the code below to a ps1 file and execute. $User = read-host -Prompt “Enter Username” “User ” + $User + ” is a member of the following groups:” ForEach ($Group in Get-DistributionGroup) { ForEach ($Member in Get-DistributionGroupMember -identity $Group | Where { $_.Name –eq $User }) { $Group.name } } Saved the file as … Read more

http://www.allspammedup.com/2010/10/9-ways-exchange-2010-reduces-spam/ 9 ways Exchange 2010 reduces spam Written by Ed Fisher on October 27, 2010 The Exchange 2010 Edge Transport role implements nine different technologies for reducing spam hitting your information store and your users’ inboxes. While all of these are available to you, some require some additional configuration, others require some degree of monitoring, and all should be well … Read more

Exchange Network Port Reference TCP port 25 – SMTP TCP port 26 – SSL secured SMTP TCP port 110 – Post Office Protocol v. 3 (POP3) TCP port 995 – SSL secured POP3 TCP port 143 – Internet Message Access Protocol v. 4 (IMAP4) TCP port 993 – SSL secured IMAP4 TCP port 80 – … Read more

To test if you are an open relay, you can visit MXToolbox or Mailradar.

Here are the default email ports for: POP3 – port 110 IMAP – port 143 SMTP – port 25 HTTP – port 80 Secure SMTP (SSMTP) – port 465 Secure IMAP (IMAP4-SSL) – port 585 IMAP4 over SSL (IMAPS) – port 993 Secure POP3 (SSL-POP) – port 995 SMTP on PORT 587 Port 587 is … Read more