CL-SMTP is a simple lisp smtp client. 
It works in ACL, SBCL, CMUCL, OPENMCL, LISPWORKS, CLISP and ECL.

new with support for send attachments, thanks Brian Sorg for the implementation

with authentication support for PLAIN and LOGIN authentication method

and ssl support with cl+ssl package

used cl-base64 and usocket packages (cl-base64 isn't a requirement on ACL)

See INSTALL for prerequisites and build details.

To use cl-smtp:

(asdf:operate 'asdf:load-op 'cl-smtp)

------------------------------------------------

(cl-smtp:send-email host from to subject message
                    &key (port 25) cc bcc reply-to extra-headers html-message 
                    authentication attachments (buffer-size 256) ssl)
Send email.

Returns nil or error with message

 arguments:
  - host (String)                  : hostname or ip-address of the smtpserver
  - from (String)                  : email address 
  - to (String or List of Strings) : email address 
  - subject (String)               : subject text
  - message (String)               : message body
 keywords:
  - cc (String or List of Strings) : email adress carbon copy
  - bcc (String or List of Strings): email adress blind carbon copy
  - reply-to (String)              : email adress
  - displayname (String)           : displayname of the sender
  - extra-headers (List)           : extra headers as alist
  - html-message (String)          : message body formatted with HTML tags
  - authentication (List)          : list with 2 or elements
                                     ([:method] "username" "password")
                                     method is a keyword :plain or :login
                                     If the method is not specified, the
                                     proper method is determined automatically.
  - attachments (Attachment Instance or String or Pathname: attachments to send
                List of Attachment/String/Pathnames)
  - buffer-size (Number default 256): is no longer used, will remove in the future
  - ssl (or t :starttls :tls)       : if t or :STARTTLS: use the STARTTLS functionality
                                      if :TLS: use TLS directly
  - external-format                 : symbol, default :utf-8
  - envelope-sender                 : email adress, 
                                      if not set then envelope-sender = from

------------------------------------------------

(cl-smtp:rfc2045-q-encode-string str &key (external-format :utf8))

Decodes a string to an quoted-printable string.

Returns quoted-printable string

 arguments:
  - str                             : the string to encode
 keywords:
  - external-format                 : symbol, default :utf-8

------------------------------------------------

(cl-smtp:rfc2231-encode-string str &key (external-format :utf8))

Decodes a string to an rfc2231 encode string.

Returns  rfc2231 encode string

 arguments:
  - str                             : the string to encode
 keywords:
  - external-format                 : symbol, default :utf-8

------------------------------------------------

(cl-smtp:write-rfc8822-message stream from to subject message 
                               :cc cc :reply-to reply-to 
                               :extra-headers extra-headers 
                               :html-message html-message
                               :display-name display-name
                               :attachments attachments 
                               :buffer-size buffer-size
                               :external-format external-format)

Writes a rfc8822 compatible email to the stream.

For arguments see the cl-smtp:send-email documentation.

------------------------------------------------
CLASS
cl-smtp:attachment 

 - accessor: attachment-name          : string 
 - accessor: attachment-data-pathname : pathname
 - accessor: attachment-mime-type     : string (mime-type)

It is now possible to send a file under a different name.
See cl-smtp:make-attachment.
------------------------------------------------

(cl-smtp:make-attachment data-pathname
			 &key (name (file-namestring data-pathname))
			      (mime-type (lookup-mime-type name)))

Create a instance of cl-smtp:attachment.

Returns cl-smtp:attachment

 arguments:
  - data-pathname                     : pathname
 keywords:
  - name                              : string, 
                                        default (file-namestring data-pathname)
  - mime-type                         : string,
                                        default (lookup-mime-type name)
------------------------------------------------

For debug output set the parameter *debug* to t (default nil)
(setf cl-smtp::*debug* t)

CL-SMTP set automatically the Date header and the X-Mailer header.
X-Mailer: cl-smtp ((lisp-implementation-type) (lisp-implementation-version))

You can change this with setting the parameter *x-mailer*
(setf cl-smtp::*x-mailer* "my x-mailer string)

If you find bugs or want to send patches for enhancements, by email to
Jan Idzikowski <jidzikowski@common-lisp.net>