在Windows上的Emacs gnus中打开gmail nnimap服务器 [英] Trouble opening gmail nnimap server in Emacs gnus on Windows

问题描述

我正在尝试使用Emacs gnus连接到我的Gmail帐户。这是相关的配置代码，主要采用从这里：

I'm trying to use Emacs gnus to connect to my gmail account. This is the relevant configuration code, taken mostly from here:

(setq tls-program '("openssl s_client -CAfile C:/Users/GGustafson/gmail.crt -connect %h:%p -no_ssl2 -ign_eof"))

(setq gnus-select-method '(nnimap "gmail"
  (nnimap-address "imap.gmail.com")  
  (nnimap-server-port 993)
  (nnimap-stream ssl)
  (nnimap-authinfo-file "~/.authinfo")))

(setq message-send-mail-function 'smtpmail-send-it
 smtpmail-starttls-credentials '(("smtp.gmail.com" 587 nil nil))
  smtpmail-auth-credentials '(("smtp.gmail.com" 587 "[e-mail]" nil))
  smtpmail-default-smtp-server "smtp.gmail.com"
  smtpmail-smtp-server "smtp.gmail.com"
  smtpmail-smtp-service 587)

当我重新启动时，启动emacs，并执行 Mx gnus ，我得到这些 *消息* ：

When I reboot, launch emacs, and do M-x gnus, I get these *Messages*:

Opening connection to imap.gmail.com via tls...
gnutls.c: [1] (Emacs) GnuTLS library not found
Opening TLS connection to `imap.gmail.com'...
Opening TLS connection with `openssl s_client -CAfile C:/Users/GGustafson/gmail.crt -connect imap.gmail.com:993 -no_ssl2 -ign_eof'...done
Opening TLS connection to `imap.gmail.com'...done
nnimap (gmail) open error: 'depth=3 C = US, O = Equifax, OU = Equifax Secure Certificate Authority^M
'.  Continue? (y or n)  y

这里究竟发生了什么？以前我得到一些验证错误：num = 20：无法获取本地颁发者证书错误，但我修复了那些由遵循这些说明，其中我添加了 -CAfile

What exactly is happening here? Previously I was getting some verify error:num=20:unable to get local issuer certificate errors, but I fixed those by following these instructions, which had me add the -CAfile parameter with a copy of the appropriate certificate.

要确认，我可以这样做：

To confirm that, I can do this:

C:\Users\GGustafson>openssl s_client -CAfile C:/Users/GGustafson/gmail.crt -connect imap.gmail.com:993 -no_ssl2 -ign_eof
CONNECTED(00000003)
depth=3 C = US, O = Equifax, OU = Equifax Secure Certificate Authority verify return:1
depth=2 C = US, O = GeoTrust Inc., CN = GeoTrust Global CA verify return:1
depth=1 C = US, O = Google Inc, CN = Google Internet Authority G2 verify return:1
depth=0 C = US, ST = California, L = Mountain View, O = Google Inc, CN = imap.gmail.com verify return:1
---
Certificate chain
 0 s:/C=US/ST=California/L=Mountain View/O=Google Inc/CN=imap.gmail.com
   i:/C=US/O=Google Inc/CN=Google Internet Authority G2
 1 s:/C=US/O=Google Inc/CN=Google Internet Authority G2
   i:/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA
 2 s:/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA
   i:/C=US/O=Equifax/OU=Equifax Secure Certificate Authority
---
Server certificate
-----BEGIN CERTIFICATE-----
****SNIP****
    Start Time: 1387083719
    Timeout   : 300 (sec)
    Verify return code: 0 (ok)
---
* OK Gimap ready for requests from 128.84.124.191 el7if9939594qeb.109

我缺少能够用gnus读取Gmail的内容？我在Windows 7上使用Cygwin openssl。

What am I missing to be able to read my Gmail with gnus? I'm on Windows 7 using Cygwin openssl.

推荐答案

对我有用的是使用用于Windows的gnutls端口而不是openssl，并删除 tls-program 。如果您的路径中的Emacs将自动使用来自gnutls的二进制文件，因为 gnutls-cli 是第一个尝试使用默认值 tls-程序。

What worked for me is using a gnutls port for windows instead of openssl, and removing any customization of tls-program. Emacs will use the binaries from gnutls automatically if they are on your path since gnutls-cli is the first program to try in the default values of tls-program.

我建议在尝试openssl之前使用gnutls，它可能是默认的第一个原因。

I suggest using gnutls before trying openssl, it probably comes first in the defaults for a reason.

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