503 You must send a HELO or EHLO command first
That kind of error should be consistent, but 90% of the time it accepts mails (always the same addresses).
Log for a success (all but destination host masked):
Jan 20 13:21:06 XXXXXXXXXXXXXXXXX courieresmtpd: started,ip=[xxx.xxx.xxx.xxx]
Jan 20 13:21:09 XXXXXXXXXXXXXXXXX courierd: newmsg,id=002AEADC.400D2B44.00006823: dns; machinename (hostname [xxx.xxx.xxx.xxx])
Jan 20 13:21:09 XXXXXXXXXXXXXXXXX courierd: started,id=002AEADC.400D2B44.00006823,from=<[EMAIL PROTECTED]>,module=esmtp,host=deacons.peterborough.sch.uk,addr=<[EMAIL PROTECTED]>
Jan 20 13:21:09 XXXXXXXXXXXXXXXXX courierd: Waiting. shutdown time=none, wakeup time=Tue Jan 20 13:43:32 2004, queuedelivering=4, inprogress=1
Jan 20 13:21:09 XXXXXXXXXXXXXXXXX courieresmtp: id=002AEADC.400D2B44.00006823,from=<[EMAIL PROTECTED]>,addr=<[EMAIL PROTECTED]>: 250 Message received OK
Jan 20 13:21:09 XXXXXXXXXXXXXXXXX courieresmtp: id=002AEADC.400D2B44.00006823,from=<[EMAIL PROTECTED]>,addr=<[EMAIL PROTECTED]>,size=3028,success: delivered: zig.peterborough.gov.uk [xxx.xxx.xxx.xxx]
Jan 20 13:21:09 XXXXXXXXXXXXXXXXX courieresmtp: id=002AEADC.400D2B44.00006823,from=<[EMAIL PROTECTED]>,addr=<[EMAIL PROTECTED]>,size=3028,status: success
Log for a failure (all but destination host masked):
Jan 20 13:55:03 XXXXXXXXXXXXXXXXX courieresmtpd: started,ip=[xxx.xxx.xxx.xxx]
Jan 20 13:55:03 XXXXXXXXXXXXXXXXX courierd: newmsg,id=002AEAD2.400D3337.000074AA: dns; machinename (hostname [xxx.xxx.xxx.xxx])
Jan 20 13:55:03 XXXXXXXXXXXXXXXXX courierd: started,id=002AEAD2.400D3337.000074AA,from=<[EMAIL PROTECTED]>,module=esmtp,host=deacons.peterborough.sch.uk,addr=<[EMAIL PROTECTED]>
Jan 20 13:55:03 XXXXXXXXXXXXXXXXX courierd: Waiting. shutdown time=none, wakeup time=Tue Jan 20 13:55:39 2004, queuedelivering=3, inprogress=1
Jan 20 13:55:06 XXXXXXXXXXXXXXXXX courieresmtp: id=002AEAD2.400D3337.000074AA,from=<[EMAIL PROTECTED]>,addr=<[EMAIL PROTECTED]>: 503 You must send a HELO or EHLO command first
Jan 20 13:55:06 XXXXXXXXXXXXXXXXX courieresmtp: id=002AEAD2.400D3337.000074AA,from=<[EMAIL PROTECTED]>,addr=<[EMAIL PROTECTED]>,status: failure
The DSN says:
UNDELIVERABLE MAIL > > Your message to the following recipients cannot be delivered: > > <[EMAIL PROTECTED]>: > zig.peterborough.gov.uk [213.38.159.74]:
>>>> >>> MAIL FROM:<[EMAIL PROTECTED]>
> <<< 503 You must send a HELO or EHLO command first
Does anyone have any idea why this might happen?
The DNS for the destination site may well be flakey, and their backup MX doesn't respond.
Any help would be much appreciated, MAL
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