Please visit 550-5.7.26 ĥ54 5.4.14 Hop count exceeded - possible mail loop ATTR34ĥ50 5.1.1 : Recipient address rejected: User unknown in virtual mailbox table To best protect our users from spam, the 550-5.7.26 message has been blocked. SPF check for does not pass with ip: 550-5.7.26. ASĥ52 1 Requested mail action aborted, mailbox not foundĥ50-5.7.26 This message does not pass authentication checks. Please direct the recipient to ĥ50 5.4.312 Message expired, DNS query failedĥ50 5.4.1 Recipient address rejected: Access denied. For e-mail delivery information, see ĥ50 5.4.300 Message expired -> 452 4.2.2 The email account that you tried to reach is over quota. Įrror dialing remote address: dial tcp 149.72.224.98->204.79.197.212: i/o timeoutĥ50 5.4.316 Message expired, connection refusedĤ51 4.7.651 The mail server has been temporarily rate limited due to IP reputation. DNS type 'mx' lookup responded with code NXDOMAINĥ50 5.0.350 Remote server returned an error -> 554 30 Sorry, your message to cannot be delivered. ĥ32 5.3.2 Missing or bad mailbox Database propertyĥ52-5.2.2 The email account that you tried to reach is over quota and inactive. Please contact your Internet service provider since part of their network is on our block list.

Please try 550-5.1.1 double-checking the recipient's email address for typos or 550-5.1.1 unnecessary spaces.ĥ50 5.7.1 Unfortunately, messages from weren't sent.

Please try after sometime.ĥ50-5.1.1 The email account that you tried to reach does not exist. Microsoft Unified Storage is full.ģ34 334 535 5.7.139 Authentication unsuccessful, the user credentials were incorrect.ĥ50 5.4.6 Unusual sending activity detected.ĥ50 5.4.6 Unusual sending activity detected. For e-mail delivery information, see ĥ54 5.2.2 mailbox full Failed to process message due to a permanent exception with message Microsoft Unified Storage is full. ĥ50 5.5.0 Requested action not taken: mailbox unavailable.Ĥ51 4.7.650 The mail server has been temporarily rate limited due to IP reputation. Email was deferred due to the following reason:ĥ50 5.5.0 Requested action not taken: mailbox unavailable.

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