Unexpected close from ...

2007-12-25 8:44:00

My original question was :

>> We are receiving the following messages on our mail server (SS2, OS

>> SunOS 4.1.1) :

>> unexpected close, from <domain.name>: connection reset by peer during

>> collect with <domain.name>

>>

>> Any idea

Thanks to :

  Jacques Beigbeder Jacques.Beigbeder@ens.fr

  Jay Lessert jayl@lattice.com

and here what they say :

The answer is that a user writes a mail using emacs, and the

mail don't have a \n at the end. I don't know if sendmail 8.6.8

from UCB still have the problem, but Sun's sendmail breaks

on this kind of mail.

Jacques Beigbeder | Internet: beig@ens.fr

Service de Prestations Informatiques |

Ecole Normale Superieure |

45 rue d'Ulm | Tel : (33-1) 44-32-37-96

F75230 Paris Cedex 05 | Fax : (33-1) 44-32-20-80

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The SMTP protocol defines 'end-of-message' as "." followed by "<CR>".

Something is sending mail to your server via SMTP, not sending the

final dot, and eventually timing out. Usually in this situation the

message is delivered more-or-less intact.

Early versions of Elm and some inside-emacs mail UI's have been known

to do this.

                                -Jay-

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