Cannot Resolve Ptr Record Error
To Work! From time to time you may experience a failure when relaying temporarily denied cannot resolve ptr record you go to send an e-mail. This is most ptr lookup likely on a DSL or modem connection. Your mail has always worked in the past, whois but now you get an error about a PTR record. Digital Indigo's servers take careful steps to help eliminate the abuse of mail servers. One of the ways we do this is to make sure the address you're coming from has a name. For instance, you're Internet address may be 204.186.60.101. But it should also have a name such as hostxx-xx.lns.yourisp.net. From time to time ISPs (the people who provide DSL, cable, and dialup Internet access to you) forget to give a name to a specific address. This name is the PTR record. If we don't see a name (hence no PTR record), we can't relay any outgoing mail. The Solution The solution to this problem is to obtain a new IP address. Don't worry, it's not that difficult! If you have a dialup modem, disconnect and reconnect to the Internet. If you have a DSL or cable modem, turn it off for 10 seconds, and then turn it on again. If you continue to get the "Can't resolve PTR record" message, please contact us for addition support. Related Topics & Information No Related Topics Help us improve! Please click here to rate this page. Copyright © 1995-2007 Digital Indigo Technologies. All Rights Reserved.
Residential Mail System Business Class Mail System How To Report Spam Outbound Spam Control Customer IPs and Blocklists Running Your Own Mail Server Help Tools Sending Server IP Address Check IP Status Open a Support Request Contact Sending Mail To Road RunnerRejected ConnectionsReverse DNS Reverse DNS We will reject the connection attempt of any IP address that does not have a resolvable reverse DNS, or PTR, record. Since there are two possible scenarios for a failed reverse DNS lookup for an IP, we have two different error codes that we'll return. 554 5.7.1 - Connection refused. IP name lookup failed http://www.digitalindigo.net/support/mail/error_send_ptr.html for IP.ADD.RE.SS - This error message means that we were successful in reaching an authoritative DNS server for the connecting IP's PTR record and we received a response from that server of NXDOMAIN. 421 4.7.1 - Connection refused. Cannot resolve PTR record for IP.ADD.RE.SS - This error message means that attempts to resolve the PTR record for the IP yielded a DNS response of SERVFAIL, meaning either http://postmaster.rr.com/reverse_dns that the authoritative DNS server for the connecting IP's PTR record is not properly configured to answer for the PTR record, or our servers could not reach the authoritative servers. If you're seeing either of these error messages, check first with the party responsible for DNS for the IP address mentioned in the rejection. RDNS Naming Schemes Our hodgepodge of rDNS naming schemes has caused confusion over the years for those of you who manage servers at other sites. This document will contain a list of Road Runner naming patterns you may see in your mail (or other) server logs as the PTR records of IP addresses in Road Runner space. You may see patterns in your logs that aren't mentioned here, or you may have a need for further information or clarification; if so, please contact us for clarification. *.res.rr.com - This naming pattern indicates an IP address in Road Runner's residential customer space. This is a dynamically assigned IP address, but the always-on nature of our cable modem service means that our customers can enjoy a persistence to their IP address assignment that can last for months or longer. Our AUP does not prohibit serve
| My Forums | Address Book | Member List | Search | FAQ | Ticket List | Log Out Relaying temporarily denied. Cannot resolve ptr record Users viewing this topic: none Logged in as: http://forums.msexchange.org/Relaying_temporarily_denied%25_Cannot_resolve_ptr_record/m_20433000/tm.htm Guest Tree Style Printable Version All Forums >> [Microsoft Exchange 5.5] >> General >> Relaying temporarily denied. Cannot resolve ptr record Page: [1] Login Message << Older Topic Newer Topic >> Relaying temporarily denied. https://www.freelancer.com/projects/Linux-UNIX/why-sendmail-giving-error-Relaying/ Cannot resolve ptr record - 14.Aug.2002 4:56:00 PM Guest Please help, I have several users that are getting the message....Your message To: user@destination.com Subject: TEST Sent: 8/13/02 12:32:10 PMis still queued at the Internet cannot resolve Mail Service (PREX01). This message will continue to be retried until the configured maximum timeout period,and if delivery cannot be completed by then, your message will be returned to you....I have looked in the message queue on my exchange server and for these destination hosts, the error message is... (Relaying temporarily denied. Cannot resolve ptr record for -MY FIREWALLS IP ADDRESS-. We use AT&T for our T1 connection. Anyone know what cannot resolve ptr is going on? ThanksMark0 Post #: 1 Featured Links* RE: Relaying temporarily denied. Cannot resolve ptr record - 14.Aug.2002 7:14:00 PM Lorna Posts: 199 Joined: 9.Jun.2000 From: North America Status: offline The receiving server is trying to do a reverse DNS lookup so it can verify the sending server but your firewall isn't providing the IP to name resolution. That's the cause but I don't know what the solution would be.Good luck.Lorna (in reply to Guest) Post #: 2 Page: [1] << Older Topic Newer Topic >> All Forums >> [Microsoft Exchange 5.5] >> General >> Relaying temporarily denied. Cannot resolve ptr record Page: [1] Jump to: Select a ForumAll Forums---------------------- [Microsoft Office 365] - - Exchange Online [Microsoft Exchange 2013] - - Installation - - General - - Management - - Outlook Web Access - - Mobility - - Migration - - Message Routing - - Secure Messaging - - Compliance - - High Availability - - Unified Messaging [Microsoft Exchange 2010] - - Installation - - General - - Management - - Outlook Web Access - - Mobility - - Migration - - Message Routing - - Secure Messaging - - Compliance - - High Availability - - Unified Messaging [Microsoft Exchange 2007
temporarily denied. Cannot resolve PTR record" This project was awarded to osmanbsd for $25 USD. Get free quotes for a project like this Awarded to: osmanbsd Helped me troubleshoot a problem, explained clearly what was going on and knew how to fix it. Thanks Osman! Skills Required Linux UNIX Project Budget $10 - $30 USD Total Bids 3 Project Description I will pay for a solution to the following problem (but please note I cannot give out access to the server, so any commands that you need to run to gather more information or to fix the problem, let me know and I'll do it and report back). I am trying to migrate my website and mail server to a new VPS at the IP address 65.181.125.58. To test whether receiving mail is set up correctly, I used my third-party server [url removed, login to view] and tried telnetting from there to [url removed, login to view] port 25 to send mail, but I got the error "Relaying temporarily denied. Cannot resolve PTR record for [url removed, login to view]": [in the following transcript I replaced at-sign with ZZZ because otherwise the filter won't let the post through]: [root]# telnet [url removed, login to view] 25 Trying 65.181.125.58... Connected to [url removed, login to view] ([url removed, login to view]). Escape character is '^]'. 220 [url removed, login to view] ESMTP Sendmail 8.13.8/8.13.8; Sat, 29 Mar 2014 05:13:19 -0 400 HELO [url removed, login to view] 250 [url removed, login to view] Hello [[url removed, login to view]], pleased to meet you MAIL FROM: [url removed, login to view] 250 2.1.0 ... Sender ok RCPT TO: [url removed, login to view] 450 4.4.0 ... Relaying temporarily denied. Cannot resolve PTR record for [url removed, login to view] The odd thing is that I've found multiple sources claiming that sendmail "by default doesn't deny relaying based on a missing PTR record", e.g.: [url removed, login to view] [url removed, login to view] but here that's exactly what sendmail is doing even though I haven't changed any options. How do I get it to stop? I don't want to set up a PTR record for [url removed, login to view], I want to make sure the new VPS accepts mai