Exchange Server 2013 - Mail Flow and Secure Messaging

• "Spambox" Folder in Outlook
• "The Microsoft Exchange Administrator has made a change that requires you quit and restart Outlook"
• #5.0.0 smtp; 5.3.0 - Other mail system problem 554-'5.4.6 Message exceeded 50 hops, this may indicate a mail loop
• 250 2.1.5 RESOLVER.OOF.IntToExt; handled internal OOF addressed to external recipient
• 402 4.2.0 Recipient deferred because there is no Mdb
• 403 4.7.0 encryption too weak 0 less than 128
• 421 4.3.2 Service not active
• 421 4.3.2 Service not available
• 421 4.4.2 Connection dropped due to TimedOut.
• 441 4.4.1 Error all outgoing mails are in Queue
• 441 4.4.1 Error encountered while communicating with primary target IP address
• 450 4.4.318 Connection was closed abruptly
• 450 4.4.318 Connection was closed abruptly
• 450 4.5.0 no recipient succeeded from Exchange Online to Exchange 2013 on-prem
• 450 4.7.1 error client host rejected: cannot find your hostname
• 450 4.7.25 Client host rejected
• 451 4.4.0 SMTPSEND SuspiciousRemoteServerError; remote server disconnected abruptly; retry will be delayed};[FQDN=...};{ip=....}]
• 451 4.7.0 Temporary server error. Please try again later. PRX2
• 451.4.4.0 Primary target IP address responded with "421.4.2.1. Unable to connect." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts or delivery failed to all alternate hosts."
• 500 5.3.3 Unrecognized command error
• 550 - 550-Requested action not taken: mailbox unavailable 550 invalid DNS MX or A/AAAA resource record )
• 550 - No such domain at this location
• 550 5.4.4 Error when using Contact to Relay mail
• 550 5.7.1 Sender ID (PRA) Not Permitted
• 554 5.7.1 This message has been blocked because the HELO/EHLO domain is invalid from specific domain
• A communication failure occurred during the delivery of this message. Please try to resend the message later. If the problem continues, contact your helpdesk.
• A valid Migration mailbox could not be found for this organization
• Add information to a Transport rule from CSV
• Autodiscover DNS records for multiple domain names
• Backpressure activated after Exchange CU5 install-version buckets
• Block incoming calendar / meeting requests to a specific mailbox / user using transport rules or an Outlook rule?
• Can I use a different port (than 25) for my Office 365 Exchange Online Protection to my on premise server? My ISP is blocking port 25.
• Cannot enable custom DSN
• Check which folder the message was delivered
• Communication Error
• configure SMTP authentication for exchange 2013
• Connection refused on port 25
• Criteria for determining Directionality
• Delivery Report Error '[{LRT=};{LED=};{FQDN=};{IP=}]'
• Delivery report shows status of Pending for external address. Email sent to both internal and external addresses.
• Disable notification - "Your meeting was forwarded"
• Disable Read Receipts but allow Out of Office replies
• Disable/Configure back pressure
• Does the mail flow rule able to identify the type of Calendaring message?
• Don't see TlsCertificateName when running Get-ReceiveConnector
• dsn=5.0.0, stat=Service unavailable
• Duplicate disclaimer generated for new emails
• E-mails are not going out. all emails stuck in queue exchange 2013
• Email delivery fails [{LRT=};{LED=550 5.2.3 RESOLVER.RST.RecipSizeLimit; message too large for this recipient};{FQDN=};{IP=}]
• Email Encryption with Shared Mailboxes
• Emails missing with HADISCARD ExplicitlyDiscarded in messagetracking
• Emails not going through, ExplicitlyDiscarded, HADISCARD
• EMAILS Stuck in QUEUE - EXCHANGE 2013
• Enable auth login on exchange 2013 receive connector
• Encrypted emails are not showing up in a shared mailbox on outlook client but are showing up in Outlook web app
• Error 554 5.4.6 Hop count exceeded - possible mail loop
• Error returned from SMTP Server. The error message was: [Exception reading response]. The message could not be sent.
• Error sending emails to Internet: Failed to connect. Winsock error code: 10051
• Error sending message from Powershell
• error: 550 5.6.0 CAT.InvalidContent.Exception: TextConvertersException
• Event 12017: An internal transport certificate will expire soon.
• Event 36875: remote server requested SSL - which remote server?
• EventID HAREDIRECTFAIL
• Exchange 2010 SPF Record
• Exchange 2010 The remote pipeline has been stopped. It was running the command
• Exchange 2013 CAS server returned '500 Message rejected'
• Exchange 2013 Malware Filter and ScanningProcess.exe
• Exchange 2013 On Prem - OOTO / NDR Replies Fail DMARC Authenication Outbound
• Exchange 2013 relaying (Inbound Proxy Internal Send connector acceptint external IPs?)
• Exchange 2013 SMTP Relay
• Exchange 2013- Forward Email Account to Groups or Multiple Users
• Exchange 2013- Message tracking- EventId FAIL Source SMTP
• Exchange 2013: How To Change Email Attachment Size Limit
• Exchange 2013/2016 - Blocking recipients that are not listed in the global address book
• Exchange 2016 test Mail Flow Error
• Exchange Server 2013: Failed to connect. Winsock error code: 10060, Win32 error code: 10060.
• Exchange server and DKIM
• Exchange server is receiving messages but not sending them
• Exchange Server not sending to Gmail
• Exchange Server Using Wrong Certificate for TLS?
• Exchange Toolbox Error when launching
• Exchange Transport Content Filering False Positive
• External e-mail disclaimer transport rule is being applied to SMTP relay messages from application servers within network
• FIXED - Exchange 2013 - Can I Recreate Default Frontend Receive Connector SAFELY?
• Forwarding emails from one distribution group to another distribution group
• FQDN on EHLO for External
• Free Busy federation between two office365 domain
• hard direct fail and no available shadow servers
• Help! Event ID 12014 - Microsoft Exchange 2013 could not find a certificate!?!?!?
• How do I delete message from Submission queue
• How this spoof worked?
• How to change smtp port from 25 to 587 in Exchange 2013
• How to configure Edge Transport server to relay external domains
• How to Track the Original Location of an Email via its IP Address
• HubTransport and FrontEnd Transport Receive Connectors
• Ignored X-OriginatorOrg header value 'domain name' because session capabilities do not allow it
• Inbound Proxy Probe Undeliverable (Health Mailbox)
• Internal email goes to junk folder
• Internal MX record
• Invalid HELO name (See RFC5321 4.1.1.1)
• LDAP Server is unavailable error on Edge Transport server.
• List of who received a message to a dynamic distribution group?
• local loop was detected--Exchange server 2013 and Exchange online hybrid
• Log onto incoming mail server (POP3): Your server does not support the connection encryption type you have specified. Try changing the encryption method. Contact your mail server administrator or Internet service provider (ISP) for additional assistance.
• Mail ending up in drafts
• Mail flow issue from On-prem to Office 365 urgent.
• Mail flow issues between Office 365 Exchange online and On-Prem Exchange Server.
• Mail lost during Exchange Server Down
• Mail received but server sends back '5.4.7 Delivery expired' mesage
• Mail Showing has delivers but not received to user inbox
• Mail-enabled public folders not receiving external mail.
• mail.protection.outlook.com Delisting
• mailbox recipient does not have a mailbox database
• Mailbox Server Role Services not running: MSExchangeDelivery
• mailflow broken - error 451 4.7.0
• Mails not getting delivered
• Maximum concurrent connections between outlook and exchange server
• MaxInboundConnectionPerSource = Unlimited. EventID: 1021
• Meeting invites goes to deleted items
• Members of distribution groups receive a duplicate email when they are also a recipient
• Message rerouted and delayed by store driver.
• Message trace details
• Message Tracking for Rejected Messages
• Messages stuck in "Retry" in Submission Queue - Exchange 2013
• Messages stuck in DNS connector delivery
• Messages stuck in Queue Last Error: 452 4.3.1 Insufficient system resources
• Microsoft Exchange Server Auth Certificate about to Expire on the 22nd !
• Microsoft Filtering Management Service service can't start with error 0x80004005: Unspecified error
• Microsoft.Exchange.Data.TextConverters.TextConvertersException: Input document is too complex
• MSExchangeTransport service failed to start services
• Multiple IPs for Single MX record
• multiple ptr for single IP address
• NDR 502 5.5.1 command not implemented
• Need some users to be able to connect/send via SMTP from outside- event 1018 does not have submit permissions on SMTP Recieve connector
• Office apps unable to access or connect to RMS server(On-Prem).
• Powershell script to add multiple domains to a transport rule
• Providing the send as access rights for a user from powershell
• PTR Record
• Publish to GAL button not available
• Recipient deferred because there is no Mdb
• Remote Server returned '420 4.2.0 Recipient deferred because there is no Mdb'
• Remote Server returned '530 5.7.1 Client was not authenticated'
• Remote Server returned '550 5.1.11 RESOLVER.ADR.ExRecipNotFound
• Remote Socket Error Exchange 2013 SMTP Receive LOG
• Remove Expired Certificate
• Remove Internal Exchange Server Names and IP Addresses from Message Headers on Exchange server 2013
• Renaming the public folder mailbox
• Replace Return-Path using Transportrule
• Restricting one external domain to send email to internal distribution group
• Rule to delete emails with utf-8 encoded subjects
• Schannel Fatal Alert 46
• Send as is not working when mailbox is hidden from address list
• Send As or Send On Behalf - Permissions
• Send connector for specific email domain
• Send on Behalf of Does not appear in From:
• Sender and Recipient has same email address
• Sending warning to sender for external email address
• Sensitive Word List - Content Filter
• Server components states keep getting marked at inactive
• server error 452 4.5.3 too many recipients
• Server Error 550 5.1.2 Unknown Host or Domain
• Server returned '400 4.4.7 Message delayed
• Set-Mailboxautoreplyconfiguration LINE BREAK issue
• Setting a delay on all emails sent
• Setting Maximum concurrent smtp outbound connection limits
• Shadow redundancy eventID 22004 keep happening after Exchange 2013 CU17 upgrade
• Shannel 36887 - Missing Certificates in Trusted Root Certificate Authority Store
• SMTP Relay Configuration on Default Receive Connector
• SMTP transient error: 421 Service not available
• Some distribution lists not working when sent over SMTP using C#
• Specific mails are not delivered to the user inbox. "Message delivery is taking longer than expected".
• SPF Record UDP Truncated Errors
• SSL Certificate: Revocation Check Failed
• STARTTLS not advertised on relay receive connector
• Target host responded with Error. 535 5.7.3 Authentication Unsuccessful.
• The recipient's email system isn't accepting messages now. Please try resending this message later or contact the recipient directly
• The server response was: #5.1.0 Address rejected.
• The server response was: 4.4.2 Message submission rate for this client has exceeded the configured limit
• The STARTTLS certificate will expire soon
• The store ID provided isn't an ID of an Item.
• This message can't be moderated because the approval system is too busy and can't accept messages now. Please try resending this message later, or contact the recipient directly.
• This message wasn't delivered to anyone because it's too large. The limit is 10 MB. This message is 13 MB
• TLS negotiation failed with error AlgorithmMismatch
• Transient mail flow problem (Source: STOREDRIVER, EvendId: SUBMITDEFER )
• Transport rule to block CC'd email to external email address
• Transport rules using distribution group as recipient
• Unable to receive emails from office 365 using TLS 1.2
• Unable to receive external emails to my Exchange 2013
• Unable to send emails to internet after Exchange CU15 upgrade
• Unable to start Microsoft Exchange Transport and Microsoft Filtering Management Service (FMS)
• Undocumented EventID in the message tacking logs: HAREDIRECTFAIL
• View the audit logs for Transport Rules
• Virtual Exchange 2013 CU1 raises Receive(SocketError) in SMTP log
• where is this exceed header size message coming from?
• X-Auto-Response-Suppress DR, OOF, AutoReply?
• X-Forwarded-For Header in mail headers
• X-MS-Exchange-Organization-AuthAs is configured as Internal other than Anonymous from internet mails
• X-MS-Exchange-Organization-AuthMechanism: possible values
• You don't have permission to perform this action - OWA error while sending mails
• Your message can't be delivered because you do not have permissions to send to this email address.