Solves: Remote Server returned '550 5.6.11 SMTPSEND.BareLinefeedsAreIllegal message contains bare linefeeds, which cannot be sent via DATA and receiving system does not support BDAT'ĬontentTransferEncoding = ContentEncoding. This occurs when the expected CR-LF combination at the end of message is missing or incorrect. MimeContentType = new ContentType("application", "octet-stream") Ĭontent = new MimeContent(new MemoryStream(binar圜ontent)),ĬontentDisposition = new ContentDisposition Bare Line Feeds are an element in email messages that are 'illegal' formatting as defined by the Request for Comments (RFC) 2822. If (!ContentType.TryParse(MimeTypes.GetMimeType(attachmentFileName), out var mimeContentType)) Protected MimePart CreateMimeAttachment(string attachmentFileName, byte binar圜ontent, DateTime cDate, DateTime mDate, DateTime rDate) / A leaf-node MIME part that contains an attachment. / Date and time that the specified file or directory was last access to. This issue occurs if the source message transfer agent (MTA) didn't append the expected CR-LF combination to the end of. Users may not have experienced this problem in the past when they used Forefront Online Protection for Exchange (FOPE). / Date and time that the specified file or directory was last written to Bare Line Feeds are an element in email messages that are 'illegal' formatting as defined by the Request for Comments (RFC) 2822. SMTPSEND.BareLinefeedsAreIllegal message contains bare linefeeds, which cannot be sent via DATA. / Creation date and time for the specified file or directory / The array of unsigned bytes from which to create the attachment stream. / Create an file attachment for the binary data Then attachments are correctly encoded and the problem is gone. You need to add the bold marked line in the following code. The problem is the used MailKit NuGet package and the non conform usage of it. The whole BDAT thing seems to be a way of allowing the length of message content to be indicated up front (a bit like Content-Length in HTTP, maybe) instead of a blank CRLF line needing to be detected.After no one wants to help me, I have to help myself. SMTPSEND.BareLineFeedsAreIllegal NDR received by Exchange Online or EOP users in Office 365 Dedicated/ITAR Here's what Microsoft have to say about it: Sounds like a delicious combination of Thunderbird's notorious stewardship issues (Mozilla throwing it over the side several times as they doggedly focus on trying to monetise the Web) and Microsoft's celebrated attitudes towards interoperability ("Sorry it broke, why not buy our products instead?"). I've no idea what! I didn't know line feeds were illegal, I'm sure I've been using them for about 40 years now and I'm not in prison yet. My e-mail provider says they don't want to allow "bare line feed" messages into their server as there may be a security implication. The same sender can send the same message through Thunderbird using a Gmail account and it works, that's the only solution we have at the minute. Rapportera misstnkt aktivitet med alternativet 'Rapportera missbruk'. Hello We noticed that while you have a Veritas Account, you aren't yet registered to manage cases and use chat.
#BARELINEFEEDSAREILLEGAL BASEELEMENTS UPDATE#
Looks to have happened overnight following a Thunderbird update by the sender, I have tried to revert to an earlier version but it won't read the profile any more if I do that. Akta dig fr supportbedrgerier: Vi kommer aldrig att be dig att ringa eller skicka ett sms till ett telefonnummer eller dela personlig information. Remote Server returned '550 5.6.11 SMTPSEND.BareLinefeedsAreIllegal message contains bare linefeeds, which cannot be sent via DATA and receiving system does not support BDAT' Code: Select all The mail client submitted this message with bare line feeds, which cannot be sent via SMTP protocol DATA command and receiving system does not support BDAT.
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