Hi,
it seems like using sendgrid for mails from this forum isn't a good idea. E.g. rspamd gives them quite a high rate so that my mailserver blocks them:
Sep 30 20:40:20 mail.schafweide.org rspamd[2510110]: 2020-09-30 20:40:20 #2510110(normal) <006ef1>; task; rspamd_task_write_log: id: <[email protected]>, qid: <29DCD198CCA2>, ip: 167.89.100.129, from: <[email protected]>, (default: T (reject): [25.35/15.00] [SPAMHAUS_ZEN(7.00){167.89.100.129:from;},URIBL_SBL(6.50){167.89.100.129:from;},RBL_BLOCKLISTDE(4.00){167.89.100.129:from;},RBL_NIXSPAM(4.00){167.89.100.129:from;},HTTP_TO_HTTPS(2.00){},MX_INVALID(1.00){},MV_CASE(0.50){},FORGED_SENDER(0.30){[email protected];[email protected];},BAD_REP_POLICIES(0.10){},MIME_GOOD(-0.10){multipart/alternative;text/plain;},MANY_INVISIBLE_PARTS(0.05){1;},ARC_NA(0.00){},ASN(0.00){asn:11377, ipnet:167.89.96.0/20, country:US;},DKIM_TRACE(0.00){ubuntu-mate.community:+;},DMARC_NA(0.00){ubuntu-mate.community;},FROM_HAS_DN(0.00){},FROM_NEQ_ENVFROM(0.00){[email protected];[email protected];},HAS_REPLYTO(0.00){[email protected];},MID_RHS_MATCH_FROM(0.00){},MIME_TRACE(0.00){0:+;1:+;2:~;},NEURAL_HAM(0.00){-0.061;},PREVIOUSLY_DELIVERED(0.00){[email protected];},RCPT_COUNT_ONE(0.00){1;},RCVD_COUNT_TWO(0.00){2;},RCVD_TLS_LAST(0.00){},REPLYTO_EQ_FROM(0.00){},RWL_MAILSPIKE_POSSIBLE(0.00){167.89.100.129:from;},R_DKIM_ALLOW(0.00){ubuntu-mate.community:s=s1;},R_SPF_ALLOW(0.00){+ip4:167.89.0.0/17;},TAGGED_FROM(0.00){3502648-7a43-bjo=schafweide.org;},TO_DN_NONE(0.00){},TO_MATCH_ENVRCPT_ALL(0.00){}]), len: 4561, time: 1170.353ms, dns req: 49, digest: <55029d26fc810bd0b10a8debcb4a3bf0>, rcpts: <[email protected]>,Also following discussions on the mailop mailinglist sendgrids reputation drowns more and more as they are used for phishing etc.