On Thu, Jun 27, 2013 at 02:58:22PM -0300, Hugo Osvaldo Barrera wrote: > Hi all, >
Hi, > I've been failing to receive some automated emails from both yahoo > and gmail. > The error smtpd is printing out is: > > Jun 27 17:40:02 elysion smtpd[17570]: smtp-in: Failed command on session > 00002741922c17e6: "MAIL > FROM:<reg.mfsg22logixg2zlnmjsxeltomuys46lbnbxw6ltdn5ws2mjtg4zdgnjuhayta-hugo=osvaldobarrera.com...@returns.bulk.yahoo.com>" > => 553 Sender address syntax error > > I'm wondering what the syntax error is. I tried looking at the RFCs a > bit, but I've not found anything (though I'm sure that I skipped some > important part). > > Is the "=" an invalid character, or does the address size exceed the > limit? > It probably is the address size, '=' is an acceptable character. With release, we had a maximum user-part of 64 bytes, which was what RFC suggested. We bumped this post-release after an exchange with the FreeBSD maintainer and one of the guys who wrote the RFC. What version are you running ? > As an informtive note, I've noticed that these same automated emails > (google groups invites, and yahoo password recoveries) fail to reach > their recipients if the recipients are using hotmail.com/outlook.com, > amongst other popular email providers some friends use, so I don't > strictly think smtpd is doing something wrong - I'm just curious as to > what's wrong with those addresses. > People using SMTP have been assuming infinite size in email addresses... > Please note that I'm not complaining about this issue; I'm just asking > what's wrong with this address and what RFC I should read (so yes, > it *is* slighlty OT). > Nope, perfectly on topic ;-) -- Gilles Chehade https://www.poolp.org @poolpOrg -- You received this email because you are subscribed to mailing list: [email protected] To unsubscribe, send mail with subject: [[email protected]] unregister
