Apologies if wrongly posted! Didn't know where to turn.

Please can anyone explain the delays in delivery? Typical header:

Return-Path: js@xxx
Received: from aamtain10-winn.ispmail.ntl.com ([w.x.y.z])
by mtain01-winn.ispmail.ntl.com with ESMTP
id

for kt.holmes@yyy; Tue, 22 Jan 2008 15:09:54 +0000
Received: from mail.tcspuk.com ([i.j.k.l])
by aamtain10-winn.ispmail.ntl.com with ESMTP
id

for kt.holmes@yyy; Tue, 22 Jan 2008 15:09:14 +0000
Received: from [a.b.c.d] by mail.tcspuk.com [e.f.g.h] with SmartMax MailMax
for kt.holmes@yyy; Tue, 22 Jan 2008 12:02:34 -0000
Return-Path: js@xxx
X-SmartMax-AuthUser: Allowmail
Reply-To: js@xxx
From: "John Searle" js@xxx
To: kt.holmes@yyy
Subject: Test from Lynne
Date: Tue, 22 Jan 2008 11:57:33 -0000
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_0028_01C85CED.F9528B00"
X-Mailer: Microsoft Office Outlook, Build 11.0.6353
Thread-Index: Achc7fjPn2+60blvQ1alk61T//i26A==
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198
Message-ID: