Есть учётная запись на mail.ru
The Bat! отправляет письма, seanonkey - нет.
SeaMonkey 1.1.7 Похоже на спам-фильтр.. но Бат может, а Сиамонкей - нет..
Кто что думает?

This is the mail system at host smtp04.mtu.ru.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<jean@mosk.ru>: host xxx.xxx.ru[xxx.xxx.71.62] said: 554 5.7.1 Service
    unavailable; Client host [xx.x.xxx.xx] blocked using combined-bl.yandex.ru;
    Blocked - see http://www.spamcop.net/bl.shtml?62.5.255.51 (in reply to DATA
    command)

Reporting-MTA: dns; sxxx4.mtu.ru
X-Postfix-Queue-ID: AFC17827C4D
X-Postfix-Sender: rfc822; bxxx@mxxl.ru
Arrival-Date: Fri, 11 Jan 2008 18:19:54 +0300 (MSK)

Final-Recipient: rfc822; jxxxn@mosk.ru
Original-Recipient: rfc822;jxxxn@mxxk.ru
Action: failed
Status: 5.7.1
Remote-MTA: dns; imx.ngs.ru
Diagnostic-Code: smtp; 554 5.7.1 Service unavailable; Client host [62.5.255.51]
    blocked using combined-bl.yandex.ru; Blocked - see
    http://www.spamcop.net/bl.shtml?62.5.255.51

Subject:
Пров
From:
Ivan <bxxxa@mail.ru>
Date:
Fri, 11 Jan 2008 18:19:51 +0300
To:
Ivan <jxxn@mosk.ru>

Пров