Yes, sorry of course the mail protocol isn't using those ports - I wasn't thinking straight :-s
The question still arises, why is k-9 mail accessing these servers? -Richard On Friday, March 27, 2015 at 6:35:48 PM UTC, Richard wrote: > > > > ------------ Original Message ------------ > > Date: Friday, March 27, 2015 08:13:53 -0700 > > From: Hanby Family <[email protected] <javascript:>> > > > > I have a firewall installed on my Android phone and it has today > > started reporting that K-9 mail is trying to access sendgrid.net > > and secureserver.net. > > > > I understand that these are 'mail delivery partners' ?? > > > > I don't understand why my mail isn't going on port 443 just to my > > domain's mailservers, which then use SMTP to send the mail > > themselves? > > > > And why is the traffic to these two domains on port 80, not port > > 443 :-O ?? > > > > Any answers much appreciated. > > > > Regards, > > R > > Ports 80 and 443 are http/s, not mail. Mail-related ports are > 110/995 - pop3/s, 143/993 - imap/s for retrieval and 465/587 (and > potentially 25) for sending. > > That said, if you open a message and load the graphics you'll be > directed to some http/s server, with the request coming, I assume, > from K-9. > > I just checked my DNS server logs going back a month, (this is the > server that my mobile devices use when not being "mobile"), and find > no suspicious lookups for either sendgrid.net or secureserver.net. > There may be something odd going on, but I'm not seeing it. > > > - Richard > > > > -- -- You received this message because you are subscribed to the K-9 Mail Users List. To post to this group, send email to [email protected] To unsubscribe, email [email protected] To report an issue with K-9 Mail, visit http://code.google.com/p/k9mail/issues/list For more options, visit this group at http://groups.google.com/group/k-9-mail --- You received this message because you are subscribed to the Google Groups "K-9 Mail" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
