Fezile Dyele wrote: > Hey all, > > I somtimes get the following error when I deliver mail to some sites, > The deliveries are most of the time successful for the same hosts but > sometimes get the error. Tried to look and do the tests but everything > works well when I do them by hand. I even added > "DELIVER_OUT_BUFFER_SIZE=512" in the config file but does not really > help. > > 2006-11-16 12:24:25 1GkdAP-000Amj-HA ** [EMAIL PROTECTED] > F=<[EMAIL PROTECTED]> P=<[EMAIL PROTECTED]> R=dnslookup T=remote_smtp: > SMTP error from remote mail server after MAIL FROM:<[EMAIL PROTECTED]> > SIZE=11462: host mailmarshal5.standardbank.co.za [196.8.126.8]: 500 > Firewall Error >
This is a rejection from remote mailer. Maybe they are trying to validate that mip.co.za exists and if they can't, they just deny your access without any meaningful error message (in this case "Firewall Error" which is the most ridiculous error message I have seen). When I try a whois mip.co.za whois: za.whois-servers.net: connect: Connection refused If this problem often happens and they try to validate, this could explain why your mails are rejected. That's just a guess. You may also be from time to time on a blacklist they use. You also have to know that mailmarshal5 is not their primary MX standardbank.co.za. 86400 IN MX 0 intfwg02.sbic.co.za. standardbank.co.za. 86400 IN MX 20 mailmarshal5.standardbank.co.za. Maybe the fallback server isn't working properly when the primary is in a certain state. Anyway, I doubt the problem is on your side. Unless you send spam and are blacklisted somewhere.
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