[sf-lug] For those COMCAST customers having trouble mailing -- time to switch ports

[Ken Shaffer]

Well, Comcast finally got around to killing access to their  simple mail
transport protocol (smtp) server's use of port 25 (for unencrypted mail).
The usual error you see is a failure to authenticate, and your mail is not
sent.  Switch to port 465  from 25 for your outgoing mail (just selecting
the SSL option works in some mail clients).  If you have devices not
capable of encryption, (can't use 465), switch from 25 to 587, and things
should work again.  See the Comcast internet forums for their reasoning --
security of course. Apologies in advance for any inexact terminology.
Ken
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