当通过 POP3/IMAP 进行外部连接时（例如来自非本地主机的 Thunderbird），我从端口 25 收到的报告是
==========================================================
Summary of Results
==========================================================
SPF check: pass
DomainKeys check: pass
DKIM check: pass
Sender-ID check: pass
SpamAssassin check: ham
==========================================================
Details:
==========================================================
HELO hostname: server.co.uk
Source IP: ipaddress
mail-from: [email protected]
----------------------------------------------------------
SPF check details:
----------------------------------------------------------
Result: pass
ID(s) verified: [email protected]
DNS record(s):
server.co.uk. SPF (no records)
server.co.uk. 86000 IN TXT "v=spf1 a mx ~all"
server.co.uk. 86000 IN A ip.address
----------------------------------------------------------
DomainKeys check details:
----------------------------------------------------------
Result: pass
ID(s) verified: [email protected]
DNS record(s):
private._domainkey.server.co.uk. 86000 IN TXT "k=rsa; p=KEYHERE"
----------------------------------------------------------
DKIM check details:
----------------------------------------------------------
Result: pass (signature verifies; identity doesn't match any headers)
ID(s) verified: header.d=server.co.uk
Canonicalized Headers:
Message-ID:'20'<[email protected]>'0D''0A'
Date:'20'Sun,'20'26'20'Jan'20'2014'20'12:04:37'20'+0000'0D''0A'
From:'20'Name'20'Name'20'<[email protected]>'0D''0A'
MIME-Version:'20'1.0'0D''0A'
To:'20'[email protected]'0D''0A'
Subject:'20'Authentication'20'Test'0D''0A'
Content-Type:'20'text/plain;'20'charset=ISO-8859-1;'20'format=flowed'0D''0A'
Content-Transfer-Encoding:'20'7bit'0D''0A'
DKIM-Signature:'20'v=1;'20'a=rsa-sha1;'20'c=simple;'20'd=server.co.uk;'20'h='0D''0A'
'09'message-id:date:from:mime-version:to:subject:content-type'0D''0A'
'09':content-transfer-encoding;'20's=dkim1;'20'bh=O3blcDPl7o3m4jKKiKXmgtMo'0D''0A'
'09'LLs=;'20'b=
Canonicalized Body:
Thunderbird'0D''0A'
DNS record(s):
dkim1._domainkey.server.co.uk. 14400 IN TXT "k=rsa; p=KEY"
Public key used for verification: dkim1._domainkey.server.co.uk (384 bits)
NOTE: DKIM checking has been performed based on the latest DKIM specs
(RFC 4871 or draft-ietf-dkim-base-10) and verification may fail for
older versions. If you are using Port25's PowerMTA, you need to use
version 3.2r11 or later to get a compatible version of DKIM.
----------------------------------------------------------
Sender-ID check details:
----------------------------------------------------------
Result: pass
ID(s) verified: [email protected]
DNS record(s):
server.co.uk. SPF (no records)
server.co.uk. 86000 IN TXT "v=spf1 a mx ~all"
server.co.uk. 86000 IN A ip.address
----------------------------------------------------------
SpamAssassin check details:
----------------------------------------------------------
SpamAssassin v3.3.1 (2010-03-16)
Result: ham (-2.0 points, 5.0 required)
pts rule name description
---- ---------------------- --------------------------------------------------
-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%
[score: 0.0000]
-0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's
domain
0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid
-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature
一切看上去都还好。
使用 Roundcube 时，我得到以下信息
==========================================================
Summary of Results
==========================================================
SPF check: pass
DomainKeys check: neutral
DKIM check: fail
Sender-ID check: pass
SpamAssassin check: ham
==========================================================
Details:
==========================================================
HELO hostname: server.co.uk
Source IP: ip.address
mail-from: [email protected]
----------------------------------------------------------
SPF check details:
----------------------------------------------------------
Result: pass
ID(s) verified: [email protected]
DNS record(s):
server.co.uk. SPF (no records)
server.co.uk. 86000 IN TXT "v=spf1 a mx ~all"
server.co.uk. 86000 IN A ip.address
----------------------------------------------------------
DomainKeys check details:
----------------------------------------------------------
Result: neutral (message not signed)
ID(s) verified: [email protected]
DNS record(s):
----------------------------------------------------------
DKIM check details:
----------------------------------------------------------
Result: fail (signature doesn't verify)
ID(s) verified:
Canonicalized Headers:
To:'20'<[email protected]>'0D''0A'
Subject:'20'Check'0D''0A'
MIME-Version:'20'1.0'0D''0A'
Content-Type:'20'text/plain;'20'charset=UTF-8;'0D''0A'
'20'format=flowed'0D''0A'
Content-Transfer-Encoding:'20'7bit'0D''0A'
Date:'20'Sun,'20'26'20'Jan'20'2014'20'12:05:26'20'+0000'0D''0A'
From:'20'USER'20'USER'20'<[email protected]>'0D''0A'
Message-ID:'20'<[email protected]>'0D''0A'
DKIM-Signature:'20'v=1;'20'a=rsa-sha1;'20'c=simple;'20'd=server.co.uk;'20'h=to'0D''0A'
'09':subject:mime-version:content-type:content-transfer-encoding'0D''0A'
'09':date:from:message-id;'20's=dkim1;'20'bh=4kh3s4BsRzvISfGlbXqWNi6G4cg=;'20'b='0D''0A'
'09'
Canonicalized Body:
Roundcube'0D''0A'
DNS record(s):
dkim1._domainkey.server.co.uk. 14400 IN TXT "k=rsa; p=KEY"
Public key used for verification: dkim1._domainkey.server.co.uk (384 bits)
NOTE: DKIM checking has been performed based on the latest DKIM specs
(RFC 4871 or draft-ietf-dkim-base-10) and verification may fail for
older versions. If you are using Port25's PowerMTA, you need to use
version 3.2r11 or later to get a compatible version of DKIM.
----------------------------------------------------------
Sender-ID check details:
----------------------------------------------------------
Result: pass
ID(s) verified: [email protected]
DNS record(s):
server.co.uk. SPF (no records)
server.co.uk. 86000 IN TXT "v=spf1 a mx ~all"
server.co.uk. 86000 IN A ip.address
----------------------------------------------------------
SpamAssassin check details:
----------------------------------------------------------
SpamAssassin v3.3.1 (2010-03-16)
Result: ham (-1.9 points, 5.0 required)
pts rule name description
---- ---------------------- --------------------------------------------------
-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%
[score: 0.0000]
0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid
-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature
据我所知，Roundcube 通过 IMAP 连接，因此我不能 100% 确定外部正确与本地主机不正确的区别是什么
我该怎么做才能让 roundcube 正确发送消息？
编辑
// use this host for sending mails.
// to use SSL connection, set ssl://smtp.host.com
// if left blank, the PHP mail() function is used
$rcmail_config['smtp_server'] = 'mail.server.co.uk';
// SMTP port (default is 25; 465 for SSL)
$rcmail_config['smtp_port'] = 25;
// SMTP username (if required) if you use %u as the username RoundCube
// will use the current username for login
$rcmail_config['smtp_user'] = '%u';
// SMTP password (if required) if you use %p as the password RoundCube
// will use the current user's password for login
$rcmail_config['smtp_pass'] = '%p';
// SMTP AUTH type (DIGEST-MD5, CRAM-MD5, LOGIN, PLAIN or empty to use
// best server supported one)
$rcmail_config['smtp_auth_type'] = '';
// SMTP HELO host
// Hostname to give to the remote server for SMTP 'HELO' or 'EHLO' messages
// Leave this blank and you will get the server variable 'server_name' or
// localhost if that isn't defined.
$rcmail_config['smtp_helo_host'] = '';
// Log sent messages
$rcmail_config['smtp_log'] = TRUE;
来自 roundcube 的与 SMTP 相关的配置项