blocks|key|1340207|text|这是可能的，也是容易的。让我们假设msg是一个包含所有头和内容的以前组合的消息，您希望将它写入文件对象out。你只需要：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1340208|gen+=+email.generator.Generator(out)++#+create+a+generator
gen.flatten(msg)+++#+write+the+message+to+the+file+object|code-block|syntax|javascript|1340209|完整的例子：|1340210|import+email

#+create+a+simple+message
msg+=+email.mime.text.MIMEText('''This+is+a+simple+message.
And+a+very+simple+one.''')
msg['Subject']+=+'Simple+message'
msg['From']+=+'sender@sending.domain'
msg['To']+=+'rcpt@receiver.domain'

#+open+a+file+and+save+mail+to+it
with+open('filename.elm',+'w')+as+out:
++++gen+=+email.generator.Generator(out)
++++gen.flatten(msg)|1340211|filename.elm的内容如下：|1340212|Content-Type:+text/plain;+charset="us-ascii"
MIME-Version:+1.0
Content-Transfer-Encoding:+7bit
Subject:+Simple+message
From:+sender@sending.domain
To:+rcpt@receiver.domain

This+is+a+simple+message.
And+a+very+simple+one.|1340213|entityMap^0|H|3|1F|3|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|Z|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|10|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|11|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|12|8|@]|D|@]|E|$]]|$1|Q|3|R|5|H|7|13|8|@]|D|@]|E|$I|J]]|$1|S|3|-4|5|6|7|14|8|@]|D|@]|E|$]]]|T|$]]

It is possible and easy. Let's assume that <code>msg</code> is a previously composed message with all headers and content, and that you want to write it to the file object <code>out</code>. You just need:

<pre><code>gen = email.generator.Generator(out) # create a generator
gen.flatten(msg) # write the message to the file object
</code></pre>

Full example:

<pre><code>import email

# create a simple message
msg = email.mime.text.MIMEText('''This is a simple message.
And a very simple one.''')
msg['Subject'] = 'Simple message'
msg['From'] = 'sender@sending.domain'
msg['To'] = 'rcpt@receiver.domain'

# open a file and save mail to it
with open('filename.elm', 'w') as out:
 gen = email.generator.Generator(out)
 gen.flatten(msg)
</code></pre>

The content of filename.elm is:

<pre><code>Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: Simple message
From: sender@sending.domain
To: rcpt@receiver.domain

This is a simple message.
And a very simple one.
</code></pre>

blocks|key|731312|text|它在Python中是可行的，我尝试了下面的代码，它将outlook消息保存为文件夹中的.msg。注意:确保outlook对目标文件夹具有写访问权限，默认情况下目标文件夹是Python脚本的位置|type|unstyled|depth|inlineStyleRanges|entityRanges|data|731313|from+win32com.client+import+Dispatch

outlook+=+Dispatch("Outlook.Application").GetNamespace("MAPI")+
inbox+=+outlook.GetDefaultFolder(6)
messages+=+inbox.items
for+msg+in+messages:
++name+=+msg.subject
++name+=+str(name)
++name+=+name+%2B+".msg"
++msg.saveas(name)|code-block|syntax|javascript|731314|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

it is doable in Python, I tried the following code which saves outlook messages as .msg in a folder.
Note:make sure that outlook has write access to the destination folder, by default the destination folder is the location of Python script

<pre><code>from win32com.client import Dispatch

outlook = Dispatch("Outlook.Application").GetNamespace("MAPI") 
inbox = outlook.GetDefaultFolder(6)
messages = inbox.items
for msg in messages:
 name = msg.subject
 name = str(name)
 name = name + ".msg"
 msg.saveas(name)
</code></pre>

blocks|key|1340278|text|是的有可能。有用于这些目的的模块，它被称为MSG+PY。例如：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1340279|from+independentsoft.msg+import+Message
from+independentsoft.msg+import+Recipient
from+independentsoft.msg+import+ObjectType
from+independentsoft.msg+import+DisplayType
from+independentsoft.msg+import+RecipientType
from+independentsoft.msg+import+MessageFlag
from+independentsoft.msg+import+StoreSupportMask

message+=+Message()

recipient1+=+Recipient()
recipient1.address_type+=+"SMTP"
recipient1.display_type+=+DisplayType.MAIL_USER
recipient1.object_type+=+ObjectType.MAIL_USER
recipient1.display_name+=+"John+Smith"
recipient1.email_address+=+"John@domain.com"
recipient1.recipient_type+=+RecipientType.TO

recipient2+=+Recipient()
recipient2.address_type+=+"SMTP"
recipient2.display_type+=+DisplayType.MAIL_USER
recipient2.object_type+=+ObjectType.MAIL_USER
recipient2.display_name+=+"Mary+Smith"
recipient2.email_address+=+"Mary@domain.com"
recipient2.recipient_type+=+RecipientType.CC

message.subject+=+"Test"
message.body+=+"Body+text"
message.display_to+=+"John+Smith"
message.display_cc+=+"Mary+Smith"
message.recipients.append(recipient1)
message.recipients.append(recipient2)
message.message_flags.append(MessageFlag.UNSENT)
message.store_support_masks.append(StoreSupportMask.CREATE)

message.save("e:\\message.msg")|code-block|syntax|javascript|1340280|entityMap|0|LINK|mutability|MUTABLE|url|https://pypi.org/project/independentsoft.msg^0|L|6|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

Yes it's possible.
There are modules for these purposes and it is called <a href="https://pypi.org/project/independentsoft.msg" rel="nofollow noreferrer">MSG PY</a>.
For example:

<pre><code>from independentsoft.msg import Message
from independentsoft.msg import Recipient
from independentsoft.msg import ObjectType
from independentsoft.msg import DisplayType
from independentsoft.msg import RecipientType
from independentsoft.msg import MessageFlag
from independentsoft.msg import StoreSupportMask

message = Message()

recipient1 = Recipient()
recipient1.address_type = "SMTP"
recipient1.display_type = DisplayType.MAIL_USER
recipient1.object_type = ObjectType.MAIL_USER
recipient1.display_name = "John Smith"
recipient1.email_address = "John@domain.com"
recipient1.recipient_type = RecipientType.TO

recipient2 = Recipient()
recipient2.address_type = "SMTP"
recipient2.display_type = DisplayType.MAIL_USER
recipient2.object_type = ObjectType.MAIL_USER
recipient2.display_name = "Mary Smith"
recipient2.email_address = "Mary@domain.com"
recipient2.recipient_type = RecipientType.CC

message.subject = "Test"
message.body = "Body text"
message.display_to = "John Smith"
message.display_cc = "Mary Smith"
message.recipients.append(recipient1)
message.recipients.append(recipient2)
message.message_flags.append(MessageFlag.UNSENT)
message.store_support_masks.append(StoreSupportMask.CREATE)

message.save("e:\\message.msg")
</code></pre>

blocks|key|1893585|text|我认为这方面的答案(但问题并不十分清楚，部分在评论中)是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1893586|+import+email
+from+email.message+import+EmailMessage|code-block|syntax|javascript|1893587|如果msg是使用msg+=+EmailMessage()创建的，并使用适当的调用填充(请参阅https://docs.python.org/3/library/email.examples.html)，则可以使用|offset|length|style|CODE|1893588|with+open('mymessage.msg',+'wb')+as+f:
++++++++++++f.write(bytes(msg))|1893589|并且可以使用以下方法恢复该文件：|1893590|+with+open('mymessage.msg',+'rb')+as+fp:
+++++++msg+=+email.message_from_binary_file(fp)++++++++++++|1893591|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.python.org/3/library/email.examples.html^0|0|0|2|3|8|K|1A|1H|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|12|8|@$I|13|J|14|K|L]|$I|15|J|16|K|L]]|9|@$I|17|J|18|1|19]]|A|$]]|$1|M|3|N|5|D|7|1A|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|1B|8|@]|9|@]|A|$]]|$1|Q|3|R|5|D|7|1C|8|@]|9|@]|A|$E|F]]|$1|S|3|-4|5|6|7|1D|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|Z]]]]

I think the answer to this (but the question is not very clear, and parts of it are in the comments) is:
<pre><code> import email
 from email.message import EmailMessage
</code></pre>
If <code>msg</code> is something created using <code>msg = EmailMessage()</code> and populated with appropriate calls (see <a href="https://docs.python.org/3/library/email.examples.html" rel="nofollow noreferrer">https://docs.python.org/3/library/email.examples.html</a>) then <code>msg</code> can be saved using
<pre><code>with open('mymessage.msg', 'wb') as f:
 f.write(bytes(msg))
</code></pre>
and that file can be recovered using:
<pre><code> with open('mymessage.msg', 'rb') as fp:
 msg = email.message_from_binary_file(fp) 
</code></pre>

blocks|key|1893614|text|根据python的官方示例-+https://docs.python.org/3/library/email.examples.html，可以将电子邮件保存为.msg文件，然后加载它。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1893615|from+email.message+import+EmailMessage
from+email.parser+import+BytesParser

#+Create+the+base+text+message.
msg+=+EmailMessage()
msg['Subject']+=+"Ayons+asperges+pour+le+déjeuner"
msg['From']+=+Address("Pepé+Le+Pew",+"pepe",+"example.com")
msg['To']+=+(Address("Penelope+Pussycat",+"penelope",+"example.com"),
+++++++++++++Address("Fabrette+Pussycat",+"fabrette",+"example.com"))
msg.set_content("""\
Salut!

Cela+ressemble+à+un+excellent+recipie[1]+déjeuner.

[1]+http://www.yummly.com/recipe/Roasted-Asparagus-Epicurious-203718

--Pepé
""")

#+Make+a+local+copy+of+what+we+are+going+to+send.
with+open('outgoing.msg',+'wb')+as+f:
++++f.write(bytes(msg))

#+Load+local+copy+of+email
with+open('outgoing.msg',+'rb')+as+fp:
++++loaded_msg+=+BytesParser(policy=policy.default).parse(fp)|code-block|syntax|javascript|1893616|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.python.org/3/library/email.examples.html^0|F|1H|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

As per python's official examples - <a href="https://docs.python.org/3/library/email.examples.html" rel="nofollow noreferrer">https://docs.python.org/3/library/email.examples.html</a> it is possible to save an email as a .msg file, and then later on load it.
<pre><code>from email.message import EmailMessage
from email.parser import BytesParser

# Create the base text message.
msg = EmailMessage()
msg['Subject'] = &quot;Ayons asperges pour le déjeuner&quot;
msg['From'] = Address(&quot;Pepé Le Pew&quot;, &quot;pepe&quot;, &quot;example.com&quot;)
msg['To'] = (Address(&quot;Penelope Pussycat&quot;, &quot;penelope&quot;, &quot;example.com&quot;),
 Address(&quot;Fabrette Pussycat&quot;, &quot;fabrette&quot;, &quot;example.com&quot;))
msg.set_content(&quot;&quot;&quot;\
Salut!

Cela ressemble à un excellent recipie[1] déjeuner.

[1] http://www.yummly.com/recipe/Roasted-Asparagus-Epicurious-203718

--Pepé
&quot;&quot;&quot;)

# Make a local copy of what we are going to send.
with open('outgoing.msg', 'wb') as f:
 f.write(bytes(msg))

# Load local copy of email
with open('outgoing.msg', 'rb') as fp:
 loaded_msg = BytesParser(policy=policy.default).parse(fp)
</code></pre>

blocks|key|1340313|text|我用Win32Com完成了这个任务..。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1340314|import+win32com.client

outlook+=+win32com.client.Dispatch("Outlook.Application")

mapi+=+outlook.GetNamespace("MAPI")

inbox+=+mapi.GetDefaultFolder(6)

messages+=+inbox.Items

message.SaveAs(os.path.join("output+folder",+(message.Subject+%2B+".msg")))|code-block|syntax|javascript|1340315|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I've managed to complete this using Win32Com...
<pre><code>import win32com.client

outlook = win32com.client.Dispatch(&quot;Outlook.Application&quot;)

mapi = outlook.GetNamespace(&quot;MAPI&quot;)

inbox = mapi.GetDefaultFolder(6)

messages = inbox.Items

message.SaveAs(os.path.join(&quot;output folder&quot;, (message.Subject + &quot;.msg&quot;)))
</code></pre>

I'm using the <code>emails</code> library to send mail, but I also need to save it as <code>.msg</code> file. I've done some research and also read the msg format specification and stumbled upon <a href="https://stackoverflow.com/a/2423657/1453822">this SO answer</a> that shows how to send mail to the file system in <code>C#</code> and I was wondering if it was possible in Python as well.

Saving to .msg file in Python, or alternatively, sending mail to the file system

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我使用emails库发送邮件，但我也需要将它保存为.msg文件。我做了一些研究，还阅读了msg格式规范，无意中发现了，它展示了如何在C#中向文件系统发送邮件，我想知道是否也可以用C#发送邮件。

问保存到.msg文件，或者将邮件发送到文件系统。
EN

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问保存到.msg文件，或者将邮件发送到文件系统。EN