SMTP RFC PTR

Oct 1, 14
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  • social.technet.microsoft.com/Forums/exchange/. /action?. smtp. ‎CachedActually, as long as the ISP has our A record, MX record and PTR record . . is
  • https://lists.isc.org/pipermail/bind-users/2009. /074760.html‎CachedJan 16, 2009 . it's clear violation of RFC 5321 (and former 2821, 821) - server MUST NOT reject
  • www.snertsoft.com/smtp/smtpf/glossary.html‎CachedIn the context of mail, SMTP AUTH (RFC 2554, 4954), is an extension that allows
  • www.experts-exchange.com/Networking/Protocols/DNS/Q_27643172.html‎SimilarMar 21, 2012 . <hercules.domain.local #5.7.1 smtp;554 5.7.1 Sender DNS/PTR Mismatch: IP . .
  • www.med.wayne.edu/msis/email/postmaster-baddns.asp‎CachedSimilarOne of the primary reasons for rejection is due to non-compliancy with the
  • www.webhostingtalk.com/showthread.php?t=1121254‎CachedSimilarI don't even think a new RFC standard does need to be written, the way I
  • https://code.google.com/p/adns-python/wiki/RecordTypes(Address families are defined in RFC 1700.) . PTR and PTRraw . MX) (0, None,
  • www.zytrax.com/books/dns/ch9/spf.html‎CachedSimilarMay 1, 2014 . If this is not the same host(s) as the sending (SMTP) MTA then tests based .
  • cdict.net/RFC-6647‎CachedEmail Greylisting: An Applicability Statement for SMTP (RFC-6647) . value found
  • stackoverflow.com/questions/221416/smtp-error-554‎CachedSimilar. name unknown Mon 2008-10-20 16:11:36: * No PTR records found Mon 2008-
  • www.gossamer-threads.com/lists/spf/srs/26775‎CachedSimilarApr 3, 2006 . We make a decision on smtp dialog after rcpt to: > > RCPT TO: . Further more, a
  • mxtoolbox.com/problem/smtp/smtp-reverse-dns-resolution‎CachedSimilarWe were unable to perform a reverse lookup (PTR) on the IP Address of your .
  • https://my.spamexperts.com/kb/136/classifications.html‎CachedThe RFC 5322 (SMTP 5321) specifies a maximum line length of 998. . To be
  • serverfault.com/questions/241722/multiple-ptr-records‎CachedSimilarMar 1, 2011 . If the PTR record of an SMTP server points to an A record which does not . I
  • exchangeshell.wordpress.com/. /exchange-send-connector-ehlo-and-dns-data -rdns-ptr-mx-spf-txt-a-record/‎CachedSimilarMar 12, 2010 . 2) Your MX record needs to match your reverse DNS (aka PTR) record . as this
  • tools.ietf.org/html/rfc2505‎CachedBy this we mean the name returned from the DNS in response to a PTR query (.
  • theucguy.net/setting-smtp-banner-in-exchange-2010/‎CachedAll Exchange admins are familiar with the SMTP banner. It is the response . to
  • vamsoft.com/forum/topic/410/test-for-reverse-dns-ptr-hostname-a‎CachedSimilarI know ORF can check for the existance of a PTR record (Sender IP . because
  • www.tcpiputils.com/browse/ip-address/88.147.255.8088.147.255.80 | smtp.rfc-group.ru - Whois description is Network of LLC "Korol
  • community.spiceworks.com/. /410907-bounced-email-illeagal-mx-record‎CachedSimilarNov 20, 2013 . Technically, your DNS record is not violating the SMTP RFC, but any . The other
  • mail-archives.apache.org/. /%3C4537EFF4.5090603@ucsc.edu%3E‎CachedOct 19, 2006 . RFC 1912, section 2.1, 2nd paragraph: Make sure your PTR and A . Maybe that
  • nemesis.lonestar.org/site/mail_trouble.html‎CachedSimilarMar 3, 2012 . 550 No reverse DNS PTR for the remote address [%s] has a . you can read the
  • forum.spamcop.net/forums/lofiversion/index.php/t6044.html‎CachedBlocking mail from a server with no PTR record is a good way to block . anything
  • www.postmasterwiki.info/index.php/DNS_Overview‎CachedOct 9, 2013 . There are several RFCs that have extended DNS with new resource record types
  • cr.yp.to/smtp/helo.html‎CachedSimilarSMTP: Simple Mail Transfer Protocol . RFC 1123 requires that the parameter be
  • blog.fastmail.fm/2007/12/05/sending-email-servers-best-practice/‎CachedSimilarDec 5, 2007 . If you run an outbound SMTP email server, then there's a number of . of the first
  • en.wikipedia.org/wiki/List_of_DNS_record_types‎CachedSimilarPTR, 12, RFC 1035, Pointer record, Pointer to a canonical name. . . The intent,
  • https://thwack.solarwinds.com/thread/51936‎CachedOct 1, 2012 . match the reverse DNS (PTR) record for your mail server. . Is the hostname
  • www.vanemery.com/Protocols/SMTP/smtp.html‎CachedSimilarModern SMTP protocol begins in 1980 in an RFC by Dr. Jon Postel. RFC 772,
  • www.mxhealthcheck.com/smtp_diagnostics.htm‎CachedSimilar. Open Relay Test and verify the server has a reverse DNS (PTR) record. .
  • lists.altn.com/WebX/.5985f25c‎CachedSimilarSep 29, 2012 . On MDaemon 9.6.1 how can the smtp banner be modified to show the . RFC
  • windows.ittoolbox.com/. /smtp-error-while-sending-mail-4316017‎CachedSimilarJul 18, 2011 . smartmx-21.inode.at #550-Inconsistent or no rDNS record for 204.94.91.43 (see
  • www.openspf.org/RFC_4408‎CachedSimilarFeb 8, 2008 . These commands supply the SMTP client (sending host) for the SMTP session.
  • www.midasgreentech.com/manage/knowledgebase.php?action. ‎CachedThat IP address has an associated PTR record that is managed by your ISP. .
  • www.isaserver.org/. /a-solution-to-the-static-nat-and-the-smtp-reverse- lookup-problem-343.html‎CachedSimilarSep 5, 2006 . RFC states that each SMTP server should present a different source IP address.
  • group-mail.com/. /sending-email-without-an-external-smtp-mail-server/‎CachedSimilarSending Email without an External SMTP Mail Server . has it's own internal
  • www.surewestkc.net/index.php?module=QNA&QNA. ‎CachedSimilarMay 4, 2010 . To be RFC 2821 compliant, the system name your computer transmits . 550 No
  • https://engineering.linkedin.com/. /sending-and-receiving-emails-over-ipv6‎CachedApr 3, 2014 . Due to the historical nature of SMTP, mail servers, also known as Message . The
  • https://bugzilla.mozilla.org/show_bug.cgi?id=151279ptr = PL_strcasestr(token, "DSN"); //Can you use the Auth- method "DSN"? if (ptr
  • www.packetizer.com/rfc/rfc6647/‎CachedRFC 6647 - Email Greylisting: An Applicability Statement for SMTP . .. value
  • aplawrence.com/Blog/B961.html‎CachedSimilarJul 1, 2004 . A PTR record (sometimes called a 'host PTR record') is what lets someone . to
  • en.wikipedia.org/wiki/Reverse_DNS_lookup‎CachedSimilarInformational RFCs (RFC 1033, RFC 1912 Section 2.1) specify that "Every .
  • www-01.ibm.com/support/docview.wss?uid=swg21593521&aid. ‎CachedApr 25, 2012 . SMTP (Simple Mail Transport Protocol) is the industry standard Internet mail
  • www.masmforum.com/board/index.php?PHPSESSID. topic. ‎Cachedsmtp source code,RFC 1225++ etc. cpp TO asm! . here are my sources for the
  • comments.gmane.org/gmane.network.dns.bind.user/44221‎CachedSimilarNov 10, 2011 . The Postfix system says: postfix/smtp[13775]: A65713180D9: . said: 550
  • en.wikipedia.org/wiki/Anti-spam_techniques‎CachedSimilarRFC 5321 section 4.1.4 says that "An SMTP server MAY verify that the domain . .
  • www.easent.net/troublewithemail.html‎CachedSimilarRFC 1912 - 2.1 Requires All Mail Servers Have a PTR RR . . (One of these
  • https://www.ietf.org/rfc/rfc1912.txt‎CachedSimilarFailure to have matching PTR and A records can cause loss of Internet services
  • postmaster.aol.com/Postmaster.Errors.php‎CachedSimilarAOL SMTP Error Messages . rDNS containing in-addr.arpa are not acceptable,
  • forums.whirlpool.net.au/archive/1637293‎CachedSimilarDo you take a hard stance and get them to fix their PTR records. ..or do . Last

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