On Wed, Aug 31, 2011 at 12:36:33PM +0200, Joost Kremers wrote: > Hi all, > > I'm using my university's SMTP server for sending mail, which I connect > to directly from Mutt (i.e., I have no MTA or pseudo-MTA installed). The > mail server is running MS Exchange. > > This always works just fine, but right now I'm at a conference, and all > of a sudden, using the exact same config files for Mutt, I cannot send > mail. I get the following error: > > SMTP session failed: 500 unrecognized command
There is a cisco ASA in between you and your mailserver that changes the answer from the mailserver. Go to the Admin and ask him why he wants to spy on your mails. Vodafone had the same on their 3G network in UK and Germany. Cheers, Christoph > > Running Mutt with -d3 gives the following in .muttdebug0: > > Using default SMTP port 25 > [2011-08-29 15:34:06] Looking up mailer.gwdg.de... > [2011-08-29 15:34:06] Connecting to mailer.gwdg.de... > [2011-08-29 15:34:06] Connected to mailer.gwdg.de:25 on fd=7 > [2011-08-29 15:34:06] 7< 220 > ************************************************************** > [2011-08-29 15:34:06] 7> EHLO eeenterprise > [2011-08-29 15:34:07] 7< 250-mailer.gwdg.de Hello > dhcp-wlan-eduroam-192-41-134-191.uzh.ch [192.41.134.191] > [2011-08-29 15:34:07] 7< 250-SIZE 157286400 > [2011-08-29 15:34:07] 7< 250-8BITMIME > [2011-08-29 15:34:07] 7< 250-PIPELINING > [2011-08-29 15:34:07] 7< 250-XXXXXXXA > [2011-08-29 15:34:07] 7< 250 XXXB > [2011-08-29 15:34:07] 7> STARTTLS > [2011-08-29 15:34:07] 7< 500 unrecognized command > [2011-08-29 15:34:07] SMTP session failed: 500 unrecognized command > > It seems as if the smtp server doesn't understand the STARTTLS command. > Even though I have been using it for almost two years and the > instructions on configuring smtp for the mail server explicitly say to > enable it. > > Like I said, I'm at a conference, so I'm not on my usual network. > However, I'm connecting through Eduroam, which is a world-wide roaming > network, which I also use when I'm at my home university. Besides, I can > send mail fine from my iPad... > > I have very few smtp-related settings in .muttrc. Just smtp_url and > smtp_pass, and ssl_force_tls, that's it. > > Anyone have any idea why Mutt may have trouble sending mail? Personally, > I don't have a clue and I'm not sure where to look for further helpful > info... I'd be grateful for any hints or tips. > > TIA > > Joost > > -- > Joost Kremers > Life has its moments > -- > Joost Kremers > Life has its moments >
